Senior Staff Engineer jobs at Coupang

Site Reliability Engineers (SREs) at Coupang is a mission-critical role which combines software and system engineering to build, run and scale our complex, large-scale ecommerce systems. As part of the Site Reliability Engineering team, you will be responsible for ensuring all our customer facing services are healthy, monitored, automated, and designed to scale. As SRE organization we take pride in handling "operations as an engineering" problem with automation first approach. You will use your background to build best in class infrastructure automation for areas such as Observability, Incident management, Disaster Recovery, Load testing, Capacity engineering and many more. In this role you will work very closely with our product development teams from an early stage of design to all the way helping resolve any production incidents, maintaining SLI/SLA bar for production services and influencing them with SRE principles and best practices. If you take pride in complete ownership, have a passion for solving complex technical challenges for large scale distributed systems and demeanor to work and communicate effectively across team boundaries, this is the role for you! Key Responsibilities: * Serve as a primary point responsible for the platform reliability, health, and performance of all Coupang customer-facing services. * Gain deep knowledge of Coupang application workflow and dependencies. * Define and track key performance indicators (KPIs) and service-level objectives (SLOs) related to system availability, performance, and reliability. * Build world class incident management process and automation, including fast incident remediation, incident operational reviews and retrospectives. * Develop and implement best practices for creating , Scaling and maintaining effective monitoring, alerting, and telemetry systems. * Build automation to execute regular Disaster Recovery testing, Chaos testing and load testing to stay ahead of expected growth of Coupang services. * Work closely with product development teams to ensure the products are designed with scale and operability in mind. * Build right guardrails and automation for deploying production changes holding the reliability bar. * Participate in a 24x7 rotation for production issue escalations, functions well in a fast-paced environment. * Communicate effectively with people at all levels of the organization. Basic Qualifications: * Bachelor's degree in computer science, Engineering, or a related technical field. * 8+ years of industry experience building and operating large scale distributed systems Preferred Qualifications: * Prior experience working with AI/ML, large scale web-based Java architectures and JVM configuration. * Professional certifications in cloud platforms, monitoring tools, or related technologies. * Previous experience working on a large-scale GPU/Cloud Infrastructure platforms. * SLO/SLA management and implementation experience * Deep UNIX/Linux systems knowledge and administration background. * Demonstrated programming skills in one or more of: Python, Java, Golang, Ruby. * Strong problem-solving and analytical skills spanning systems, network (TCP/IP) and code, with a focus on data-driven decision-making. * Experience with cloud-based GPU infrastructure, including AWS, Azure, or Google Cloud Platform. * Strong understanding of DevOps and SRE practices, including continuous integration, continuous delivery, and infrastructure as code (IaC). * Experience with containerization and orchestration technologies, such as Docker and Kubernetes. * Excellent communication and collaboration skills, with the ability to work with teams across distinct functions and technical domains. * Knowledge of open telemetry observability ecosystem including metrics, logging, tracing and tools, such as Prometheus, Grafana, Elastic Stack, Datadog, or New Relic. Pay & Benefits Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $176,000/year in our lowest geographic market to $221,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits * Medical/Dental/Vision/Life, AD&D insurance * Flexible Spending Accounts (FSA) & Health Savings Account (HSA) * Long-term/Short-term Disability * Employee Assistance Program (EAP) program * 401K Plan with Company Match * 18-21 days of the Paid Time Off (PTO) a year based on the tenure * 12 Public Holidays * Paid Parental leave * Pre-tax commuter benefits * MTV - [Free] Electric Car Charging Station General Description of Other Compensation "Other Compensation" includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers. If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at [email protected] Requisition: R0065794 Equal Opportunities for All Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Role Overview In Coupang Ads, we build one of the fastest growing advertising platforms based on Coupang's e-commerce platform. Coupang is investing in building a world-class online marketing business where we run relevant ads and promotions across our website and mobile app. Offsite Advertising is a product where we offer the opportunity to integrate advertising beyond Coupang's website and apps, to Coupang's affiliate partners and other popular advertising channels in South Korea and beyond, such as Google, Facebook, Naver, Coupang's affiliate partner network and various ad exchange networks. This is an opportunity to be part of building up a new development organization with strong revenue potential inside a successful company. We're building full-stack engineering teams to handle large scale advertising problems, including real-time behavioral targeting, auctioning and bidding systems and search-based advertising. In this role you will be responsible for innovating and building ad serving systems specific to offsite advertising on ad exchanges and publisher networks. What You Will Do · Design and implement scalable, high-performance workflow infrastructure using technologies such as Temporal and Netflix Conductor. · Benchmark platform performance, collect and analyze system metrics, and publish performance reports. · Ensure platform reliability and uptime, targeting high availability through robust monitoring and alerting systems. · Estimate system capacity and provision clusters to support diverse customer workloads. · Monitor production systems, respond to incidents, and proactively address root causes to improve operational excellence. · Analyze and contribute to open-source platform components and codebases. · Collaborate with cross-functional engineering teams to ensure platform extensibility and support innovation. Utilize SQL and NoSQL databases (e.g., Cassandra, MySQL) for data storage and retrieval. Minimum Qualifications • Bachelor's degree in computer science, Electrical Engineering, Math, or a closely related field • 8 years of experience in backend software development • Proficiency in Java and the Spring Framework • Experience working in cloud environments, particularly AWS • Demonstrated experience in building and maintaining highly available, distributed systems Preferred Qualifications · Strong communication skills for interfacing with technical teams, business stakeholders, and end users · Familiarity with Agile development practices, including code reviews, testing, and CI/CD pipelines · Proven ability to lead and collaborate in cross-functional, fast-paced environments · Experience managing mission-critical services with high throughput and low latency Pay & Benefits Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $142,000/year in our lowest geographic market to $309,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits • Medical/Dental/Vision/Life, AD&D insurance • Flexible Spending Accounts (FSA) & Health Savings Account (HSA) • Long-term/Short-term Disability • Employee Assistance Program (EAP) program • 401K Plan with Company Match • 18-21 days of the Paid Time Off (PTO) a year based on the tenure • 12 Paid Holidays • Paid Parental leave • Pre-tax commuter benefits • MTV - [Free] Electric Car Charging Station General Description of Other Compensation “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at ************************ . Job Requisition ID: R0053821

Company Introduction We exist to wow our customers. We know we're doing the right thing when we hear our customers say, "How did we ever live without Coupang?" Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Role Overview The Global Operation Technology (Global Ops Tech) is responsible for the system that enable Coupang to reliably fulfill customer orders in Fulfillment Centers within hours of order placement. The Global Ops Tech Organization is on a mission to innovate by building an efficient eco system that operates at breakthrough scale and speed. The desired candidate will help lead Global Ops Tech Picking team build systems that drive the overall process and workflow of Coupang's fulfillment systems. This work will not only include designing and building world-class systems but also drive adoption of advanced technologies in terms of innovation and process optimization. What you will do * Serve as a technical lead on our most demanding, cross-functional projects involving Inventory and Promise. * Independently come up with quality architecture and design of systems for new microservices and machine learning pipelines. * Functionally decompose complex problems into simple, straightforward solutions. * Possess expert knowledge in performance, scalability, enterprise distributed architecture, and engineering best practices. * Assist in the career development of others, actively mentoring individuals and the community on advanced technical issues and helping managers guide the career growth of their team members. * Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing your deep knowledge and experience. Basic Qualifications * Bachelor's degree and/or Master's degree in Computer Science or equivalent. * 10+ years of software engineering experience, including Java. * 10+ years of experience leading large-scale projects. * Strong understanding of backend scalable software architecture, distributed systems, and message-oriented architecture. * Experience with high-scale production systems with fault-tolerance and monitoring. * Operationalizing software in a large-scale environment with high availability requirements. Preferred Qualifications * Experience with scalable distributed systems and understanding of machine learning algorithms. * Experience in the eCommerce domain involved in supply chain systems around Inventory and Promise.. * Experience with AWS; Java language would be a plus. Pay & Benefits (Drafter: This MUST be included in the job posting based on US law. Please note that Washington State requires pay bands to be broken out by level and title, where a job posting could apply to multiple levels or titles. For example, if we advertise for a Software Engineer role where we could hire at Level 1, 2 or 3, we would need to include ranges for each of the three levels in the job level description.) Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $435K/year in our lowest geographic market to $580K/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits (Drafter: Please check with your team if any change on the benefit description) * Medical/Dental/Vision/Life, AD&D insurance * Flexible Spending Accounts (FSA) & Health Savings Account (HSA) * Long-term/Short-term Disability * Employee Assistance Program (EAP) program * 401K Plan with Company Match * 18-21 days of the Paid Time Off (PTO) a year based on the tenure * 12 Paid Holidays * XX weeks of Paid Parental leave * Pre-tax commuter benefits * MTV - [Free] Electric Car Charging Station General Description of Other Compensation "Other Compensation" includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Recruitment Process and Others (Drafter: This is optional for US job posting) Recruitment Process * Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview - Offer * The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances. * Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage. Details to Consider * This job posting may be closed prior to the stated end date for application if all openings are filled. * Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process. * Those eligible for employment protection (recipients of veteran's benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws. Privacy Notice * Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: **************************************** (Drafter: This MUST be included in the job posting based on US law) Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at [email protected]. Job Requisition ID: XXX (Drafter: This is optional to check who owns the posting)

Please complete the attached Internal Transfer Request Form and submit. Please make sure to apply with your Coupang e-mail address. Company Introduction We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Job Overview: The Global Operation Technology (Global Operations Tech) is responsible for the system that enable Coupang to reliably fulfill customer orders in Fulfillment Centers within hours of order placement. The Global Ops Tech Organization is on a mission to innovate by building an efficient ecosystem that operates at breakthrough scale and speed. Coupang relies on technology to provide on-time, fast delivery of products to customers every day. FEX organization optimizes the real-time distribution of customer orders to FCs nationwide and supports the most efficient order fulfillment process. Building highly available and scalable systems to handle billions of order & delivery transactions and support Coupang's rapidly growing Product Commerce business is a complex architectural challenge. We are responsible for delivering products to millions of online shopping customers by improving order reconciliation with technology. To deliver on this challenge, we are looking for an experienced and passionate engineer who can design and build large-scale, multi-tiered, distributed services. Key Responsibilities Demonstrate excellence resulting in scalable systems and services with the highest quality architecture and design. Responsible for designing, building, deploying and maintaining the core Workflow Platform Infrastructure. (e.g., Workflow Platforms - Temporal, Netflix Conductor etc.) Responsible for benchmarking the Platform, collecting metrics & publishing results. Responsible for measuring & ensuring reliability and uptime of the Platform with 99.995% guarantees. Responsible for capacity estimation & provisioning of cluster for different customer workloads. Responsible for production incident Monitoring & Alerting for the Platform. Detail oriented and hands on engineer who can analyze OSS Platform components and code. Dive deep into critical system issues, proactively addressing similar root causes, and raise the bar on Operational Excellence. Exposure to one of the SQL or NoSQL database systems. (Cassandra, MySQL etc.) Collaborate with other teams to make the platform open and extensible to unlock innumerable opportunities for innovations. Essential Qualifications 5+ years of experience working directly within engineering teams in a fast-moving environment. 5+ years of experience in developing and operating backend services and web applications. Experience building complex, high-performance, and highly available distributed software systems that have been successfully delivered to customers. Strong familiarity developing with Java and Spring Framework as well as experience in an AWS environment. Extensive experience in managing mission critical services with high throughput and low latency. BS in Computer Science, EE, or other engineering fields. MS preferred. Preferred Qualifications Solid engineering skills as a lead engineer to coach and lead high performing software engineers and keep them motivated. Excellent communication skills to shepherd communication with end users, technical & business teams to collect requirements, describe product features, and develop technical designs to achieve business goals. Knowledge of Agile software engineering practices & patterns for the full software development lifecycle including coding standards, code reviews, build processes, testing, and live site operations. Demonstrated leadership in cross-functional, highly collaborative environment. Minimum Qualifications: Bachelor, Master or PhD degree in Computer Science, Electronic Engineering, Industrial Engineering, or related discipline with 5+ years of experience with large scale backend distributed systems. Please complete the attached Internal Transfer Request Form and submit. Please make sure to apply with your Coupang e-mail address.

We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billiondollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Role Overview As our Staff Software Engineer for Coupang Ads Group, you will be responsible for designing and developing our advertising platform to support Coupang's fast business growth. Coupang is investing in building a world-class Advertising business where we run relevant ads across our website and Mobile App. We are building the next generation of products and services to fuel Coupang ad business's future growth by providing self-service advertising capabilities to our Sellers and Suppliers. We are looking for passionate software engineers to build highly scalable online systems to power our advertisement products. You will be working on search, recommendation, and machine learning technologies and systems to power and enhance our advertisement products. You are responsible for developing low latency, highly available, large-scale services and systems and building APIs for programmatic integrations. Are you passionate about building low latent and highly scalable distributed services? Are you passionate about building AI-oriented systems and platforms? Do you want to be part of huge opportunities in building a world-class Coupang Advertising business? If so, let's chat! What you will do Identify opportunities to initiate technical investments and drive milestones within the Ads Serving Platform. Design and construct robust, scalable, and efficient distributed ad systems. Execute and deliver impactful system solutions that benefit multiple teams in Ads. Drive and manage multiple impactful initiatives and projects concurrently. Mentor and provide guidance to fellow team members. Basic Qualifications Bachelor's degree in computer science, Electrical Engineering, Math, or a closely related field 8 years of experience in backend software development Proficiency in Java and the Spring Framework Experience working in cloud environments, particularly AWS Demonstrated experience in building and maintaining highly available, distributed systems Preferred Qualifications Experience in designing and constructing machine learning-based applications and systems. Experience in designing and constructing systems and applications for advertising/search advertising, search, and recommendations. Experience in leading cross-team system design and execution. Pay & Benefits Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $159,000/year in our lowest geographic market to $351,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits Medical/Dental/Vision/Life, AD&D insurance Flexible Spending Accounts (FSA) & Health Savings Account (HSA) Long-term/Short-term Disability Employee Assistance Program (EAP) program 401K Plan with Company Match 18-21 days of the Paid Time Off (PTO) a year based on the tenure 12 Public Holidays Paid Parental leave Pre-tax commuter benefits MTV - [Free] Electric Car Charging Station General Description of Other Compensation “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Requisition ID: R0066224

We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living more effortless than ever, we are collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We're one of the fastest-growing e-commerce companies with an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a significant global public company. This fuels us to continue our growth and launch new services at the speed we have been at since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang to create an epic experience in this always-on, high-tech, hyper-connected world. Role Overview Coupang relies on technology to provide on time, fast delivery of products to customers every day. The Global Inventory and Promise Systems organization (GIPS) is responsible for promises made to customers around inventory, serviceability, and delivery dates. And based on that promise, optimizes for fulfillment such that fulfillment can happen at the lowest possible cost while maintaining the promise date. This creates unique tech challenges in terms of low-latency event processing, low-latency data serving, and consistency challenges. Building highly available, low latency, scalable, strong, consistent systems to handle billions of promise requests made per day is a complex architectural challenge. The ideal candidate will have excellent engineering skills, business sense, and rich experience leading the build of extensible and scalable solutions to solve complex business features. What You Will Do Lead and drive architecture design of Fulfillment Optimization systems for scale, consistency, low latency, future extensibility, and reliability. Envision and drive alignment with stakeholders of the appropriate roadmap and future technology direction for Fulfillment Optimization systems. Navigate and alleviate technical obstacles and blockers at the organizational level. Decompose complex problems into simple, straightforward solutions, providing mechanisms for the teams to prioritize ruthlessly and “move with urgency.” Participate in the architecture, development, testing, deployment, and delivery of large-scale global software applications, systems, platforms, services, or technologies. Write code when necessary to lead by example and help with high-priority projects. Basic Qualifications 8+ years of experience working directly within engineering teams in a fast-moving environment. 8+ years of experience in developing and operating backend services and web applications for low latency servicing and messaging systems using complex event processing. 8+ years of experience architecting and designing (architecture, design patterns, reliability, and scaling) of new and current systems. Experience building complex, high-performance, highly available distributed software systems successfully delivered to customers. Experience in collaborating with cross-functional teams to define mission, vision, and roadmaps. Experience partnering with product and program management teams. Preferred Qualifications Experience on creating simulation systems that would simulate outputs coming from Operation research optimization algorithms for data especially for an E-commerce infrastructure. Experience with distributed cache such as Apache Ignite, Redis, etc., with distributed processing of data streams using Spark and Flink. Experience with Kafka, Stream Processing, Complex Event Processing, data synchronization between systems, low latency serving systems, writing real time data into data sinks with high throughput. Experience in building strongly consistent and low latency data synchronization and processing systems. Solid engineering skills as a lead engineer to coach and lead high-performing software engineers and keep them motivated. Demonstrated leadership in a cross-functional, highly collaborative environment. Track record of developing engineers through various career stages and building high-performance teams. Demonstrated focus on continuously improving systems, software, and processes through data analysis and metrics. Able to operate independently and lead through ambiguity in fast-paced environments. Experience with AWS, Java language would be a plus. Minimum Qualifications Bachelor, Master or PhD degree in Computer Science, Electronic Engineering, Industrial Engineering, or related discipline with 8+ years of experience with large scale backend distributed systems. Pay & Benefits Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $171,000/year in our lowest geographic market to $351,000/year in our highest geographic market. Pay is based on several factors, including market location, and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits Medical/Dental/Vision/Life, AD&D insurance Flexible Spending Accounts (FSA) & Health Savings Accounts (HSA) Long-term/Short-term Disability Employee Assistance Program (EAP) program 401K Plan with Company Match 18-21 days of Paid Time Off (PTO) a year based on tenure 12 Public Holidays Paid Parental leave Pre-tax commuter benefits General Description of Other Compensation “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation offered to the hired applicant in addition to their established salary range or wage scale. Equal Opportunities for All Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers. If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at ************************. Requisition: R0062213

Company Introduction We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Role Overview The Global Operation Technology (Global Ops Tech) is responsible for the system that enable Coupang to reliably fulfill customer orders in Fulfillment Centers within hours of order placement. The Global Ops Tech Organization is on a mission to innovate by building an efficient eco system that operates at breakthrough scale and speed. The desired candidate will help lead Global Ops Tech Picking team build systems that drive the overall process and workflow of Coupang's fulfillment systems. This work will not only include designing and building world-class systems but also drive adoption of advanced technologies in terms of innovation and process optimization. What you will do Serve as a technical lead on our most demanding, cross-functional projects involving Inventory and Promise. Independently come up with quality architecture and design of systems for new microservices and machine learning pipelines. Functionally decompose complex problems into simple, straightforward solutions. Possess expert knowledge in performance, scalability, enterprise distributed architecture, and engineering best practices. Assist in the career development of others, actively mentoring individuals and the community on advanced technical issues and helping managers guide the career growth of their team members. Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing your deep knowledge and experience. Basic Qualifications Bachelor's degree and/or Master's degree in Computer Science or equivalent. 10+ years of software engineering experience, including Java. 10+ years of experience leading large-scale projects. Strong understanding of backend scalable software architecture, distributed systems, and message-oriented architecture. Experience with high-scale production systems with fault-tolerance and monitoring. Operationalizing software in a large-scale environment with high availability requirements. Preferred Qualifications Experience with scalable distributed systems and understanding of machine learning algorithms. Experience in the eCommerce domain involved in supply chain systems around Inventory and Promise.. Experience with AWS; Java language would be a plus. Pay & Benefits (Drafter: This MUST be included in the job posting based on US law . Please note that Washington State requires pay bands to be broken out by level and title, where a job posting could apply to multiple levels or titles. For example, if we advertise for a Software Engineer role where we could hire at Level 1, 2 or 3, we would need to include ranges for each of the three levels in the job level description.) Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $435K/year in our lowest geographic market to $580K/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits (Drafter: Please check with your team if any change on the benefit description) Medical/Dental/Vision/Life, AD&D insurance Flexible Spending Accounts (FSA) & Health Savings Account (HSA) Long-term/Short-term Disability Employee Assistance Program (EAP) program 401K Plan with Company Match 18-21 days of the Paid Time Off (PTO) a year based on the tenure 12 Paid Holidays XX weeks of Paid Parental leave Pre-tax commuter benefits MTV - [Free] Electric Car Charging Station General Description of Other Compensation “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Recruitment Process and Others (Drafter: This is optional for US job posting) Recruitment Process Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview - Offer The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances. Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage. Details to Consider This job posting may be closed prior to the stated end date for application if all openings are filled. Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process. Those eligible for employment protection (recipients of veteran's benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws. Privacy Notice Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: **************************************** (Drafter: This MUST be included in the job posting based on US law ) Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at ************************ . Job Requisition ID: XXX (Drafter: This is optional to check who owns the posting)

Please complete the attached Internal Transfer Request Form and submit. Please make sure to apply with your Coupang e-mail address. We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billiondollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Role Overview As our Staff Software Engineer for Coupang Ads Group, you will be responsible for designing and developing our advertising platform to support Coupang's fast business growth. Coupang is investing in building a world-class Advertising business where we run relevant ads across our website and Mobile App. We are building the next generation of products and services to fuel Coupang ad business's future growth by providing self-service advertising capabilities to our Sellers and Suppliers. We are looking for passionate software engineers to build highly scalable online systems to power our advertisement products. You will be working on search, recommendation, and machine learning technologies and systems to power and enhance our advertisement products. You are responsible for developing low latency, highly available, large-scale services and systems and building APIs for programmatic integrations. Are you passionate about building low latent and highly scalable distributed services? Are you passionate about building AI-oriented systems and platforms? Do you want to be part of huge opportunities in building a world-class Coupang Advertising business? If so, let's chat! What you will do Identify opportunities to initiate technical investments and drive milestones within the Ads Serving Platform. Design and construct robust, scalable, and efficient distributed ad systems. Execute and deliver impactful system solutions that benefit multiple teams in Ads. Drive and manage multiple impactful initiatives and projects concurrently. Mentor and provide guidance to fellow team members. Basic Qualifications Bachelor's degree in computer science, Electrical Engineering, Math, or a closely related field 8 years of experience in backend software development Proficiency in Java and the Spring Framework Experience working in cloud environments, particularly AWS Demonstrated experience in building and maintaining highly available, distributed systems Preferred Qualifications Experience in designing and constructing machine learning-based applications and systems. Experience in designing and constructing systems and applications for advertising/search advertising, search, and recommendations. Experience in leading cross-team system design and execution. General Description of Other Compensation “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Privacy Notice Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: **************************************** Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at ************************ . Job Requisition ID: R0066224 Please complete the attached Internal Transfer Request Form and submit. Please make sure to apply with your Coupang e-mail address.

Please complete the attached Internal Transfer Request Form and submit. Please make sure to apply with your Coupang e-mail address. We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been at since our inception. We are all entrepreneurial surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Job Overview: The Global Operation Technology (Global Operations Tech) is responsible for the system that enable Coupang to reliably fulfill customer orders in Fulfillment Centers within hours of order placement. The Global Ops Tech Organization is on a mission to innovate by building an efficient ecosystem that operates at breakthrough scale and speed. Coupang relies on technology to provide on-time, fast delivery of products to customers every day. FEX organization optimizes the real-time distribution of customer orders to FCs nationwide and supports the most efficient order fulfillment process. Building highly available and scalable systems to handle billions of order & delivery transactions and support Coupang's rapidly growing Product Commerce business is a complex architectural challenge. We are responsible for delivering products to millions of online shopping customers by improving order reconciliation with technology. To deliver on this challenge, we are looking for an experienced and passionate engineer who can design and build large-scale, multi-tiered, distributed services. Key Responsibilities Demonstrate excellence resulting in scalable systems and services with the highest quality architecture and design. Responsible for designing, building, deploying and maintaining the core Workflow Platform Infrastructure. (e.g., Workflow Platforms - Temporal, Netflix Conductor etc.) Responsible for benchmarking the Platform, collecting metrics & publishing results. Responsible for measuring & ensuring reliability and uptime of the Platform with 99.995% guarantees. Responsible for capacity estimation & provisioning of cluster for different customer workloads. Responsible for production incident Monitoring & Alerting for the Platform. Detail oriented and hands on engineer who can analyze OSS Platform components and code. Dive deep into critical system issues, proactively addressing similar root causes, and raise the bar on Operational Excellence. Exposure to one of the SQL or NoSQL database systems. (Cassandra, MySQL etc.) Collaborate with other teams to make the platform open and extensible to unlock innumerable opportunities for innovations. Essential Qualifications 6 years of experience working directly within engineering teams in a fast-moving environment. 6 years of experience in developing and operating backend services and web applications. Experience building complex, high-performance, and highly available distributed software systems that have been successfully delivered to customers. Strong familiarity developing with Java and Spring Framework as well as experience in an AWS environment. Extensive experience in managing mission critical services with high throughput and low latency. BS in Computer Science, EE, or other engineering fields. MS preferred. Preferred Qualifications Solid engineering skills as a lead engineer to coach and lead high performing software engineers and keep them motivated. Excellent communication skills to shepherd communication with end users, technical & business teams to collect requirements, describe product features, and develop technical designs to achieve business goals. Knowledge of Agile software engineering practices & patterns for the full software development lifecycle including coding standards, code reviews, build processes, testing, and live site operations. Demonstrated leadership in cross-functional, highly collaborative environment. Minimum Qualifications: Bachelor, Master or PhD degree in Computer Science, Electronic Engineering, Industrial Engineering, or related discipline with 5+ years of experience with large scale backend distributed systems. Req # R0068648 Equal Opportunities for All Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team. Please complete the attached Internal Transfer Request Form and submit. Please make sure to apply with your Coupang e-mail address.

Staff Backend Engineer - Foundational Systems and Platforms (FSP) We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar commerce industry from the ground up. We are one of the fastest-growing retail companies that established an unparalleled reputation for being a leading and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurial, surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Job Overview: This role is in Foundational Systems and Platforms (FSP) organization in Global Operations Technology. Our charter includes Inventory Platform that managed inventory for Coupang and Fulfillment Execution system that orchestrates the complete journey of delivering a customer's order to their doorstep. We are looking for a Staff engineer to help us build our next generation systems in FSP organization. The candidate should have strong backend engineering experience that includes building highly scalable systems, using workflow based orchestration solutions, actor-based and CQRS frameworks. Experience in AWS eco system and platform solutions like temporal and Akka will be preferred. Candidate should have proven track record in delivering mission critical systems that supports operations and customers. This requires maintaining a high bar in Operational Excellence (OE) and working closely with our operations and product stakeholders. Key Responsibilities: Independently come up with quality architecture and design of systems for new microservices and machine learning pipelines. Functionally decompose complex problems into simple, straightforward solutions. Possess expert knowledge in performance, scalability, enterprise distributed architecture, and engineering best practices. Assist in the career development of others, actively mentoring individuals and the community on advanced technical issues and helping managers guide the career growth of their team members. Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing your deep knowledge and experience. Qualifications: Bachelor's degree and/or Master's degree in Computer Science or equivalent. 7+ years of software engineering experience, including Java. 7+ years of experience leading large-scale projects. 7+ years of knowledge of emerging platforms, Java, C/C++, operating system principles, and programming best practices. Strong understanding of backend scalable software architecture, distributed systems, and message-oriented architecture. Experience with full-stack, high-scale production systems with fault-tolerance and monitoring. Experience with building stream-processing systems, using solutions such as Kafka and Spark-Streaming. Data caching and storage techniques and creating distributed software architectures with horizontal scale. Operationalizing software in a large-scale environment with high availability requirements. Preferred: Experience with scalable distributed systems and understanding of machine learning algorithms. Experience in the eCommerce domain involved in supply chain systems around Inventory and Promise. Software development experience with Java, Scala, Python, NoSQL and Distribute Compute Experience with AWS; Java language would be a plus. Pay & Benefits: Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $159,000/year in our lowest geographic market to $324,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits: Medical/Dental/Vision/Life, AD&D insurance Flexible Spending Accounts (FSA) & Health Savings Account (HSA) Long-term/Short-term Disability Employee Assistance Program (EAP) program 401K Plan with Company Match 18-21 days of the Paid Time Off (PTO) a year based on the tenure 12 Public Holidays Paid Parental leave Pre-tax commuter benefits General Description of Other Compensation: “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers. If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at ************************. Requisition: R0068651

Company Introduction We exist to wow our customers. We know we're doing the right thing when we hear our customers say, "How did we ever live without Coupang?" Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Job Overview: Coupang's Rocket Growth Engineering Team is responsible for building the next generation fulfillment by Coupang platform that allows Sellers to bring the widest possible quality selection of items available at competitive prices to Coupang's customers in a convenient manner. We are building full-stack engineering teams to scale up our systems for the vast and growing selection. This role requires leadership of one of the most critical systems that will invest millions of listings, enabling quality experience for our Sellers from Listings, and Order Fulfillment to Settlements. We provide intelligence for Sellers to optimize their Selection, prices, and fulfillment experience to Coupang's customer needs, enabling Coupang to become the most trusted selling platform. We are looking for a leader who has previous E-commerce leadership experience and has led distributed systems development. Key Responsibilities: * Building, owning, and maintenance of large-scale distributed systems * Collaborate with cross-functional teams including UX/UI designers, front-end developers, and product owners to develop scalable, resilient applications * Establishing and executing short and long-term design and architectural roadmaps for the business * Driving continual improvement to the efficiency and flexibility of the business platform while keeping high bar for customer trust, performance and availability. * Implement clean, maintainable, and efficient code using best practices for distributed application development * Conduct thorough testing and debugging to identify and fix any issues or bugs * Continuing to innovate on the platform to support Rocket Growth programs * Providing technical direction to junior engineers in the team Basic Qualifications: * Bachelor's degree in computer science, Engineering, or a related technical field. * 8+ years of industry experience building and operating large scale distributed systems Preferred Qualifications: * Experience working in building complex software systems that have been successfully delivered to customers * Experience communicating with users, other technical teams and senior management to collect requirements, describe software product features, technical designs and product strategy * Experience influencing software engineering best practices within your team * Hands-on expertise in many disparate technologies, ranging from front-end user interfaces through to back-end systems and all points in between * Experience working backwards from the customer and delivering innovative, simple solutions. Pay & Benefits Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $176,000/year in our lowest geographic market to $221,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits * Medical/Dental/Vision/Life, AD&D insurance * Flexible Spending Accounts (FSA) & Health Savings Account (HSA) * Long-term/Short-term Disability * Employee Assistance Program (EAP) program * 401K Plan with Company Match * 18-21 days of the Paid Time Off (PTO) a year based on the tenure * 12 Public Holidays * Paid Parental leave * Pre-tax commuter benefits * MTV - [Free] Electric Car Charging Station General Description of Other Compensation "Other Compensation" includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers. If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at [email protected] Requisition: R0066957 Equal Opportunities for All Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

Company Introduction We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Job Overview: Coupang's Rocket Growth Engineering Team is responsible for building the next generation fulfillment by Coupang platform that allows Sellers to bring the widest possible quality selection of items available at competitive prices to Coupang's customers in a convenient manner. We are building full-stack engineering teams to scale up our systems for the vast and growing selection. This role requires leadership of one of the most critical systems that will invest millions of listings, enabling quality experience for our Sellers from Listings, and Order Fulfillment to Settlements. We provide intelligence for Sellers to optimize their Selection, prices, and fulfillment experience to Coupang's customer needs, enabling Coupang to become the most trusted selling platform. We are looking for a leader who has previous E-commerce leadership experience and has led distributed systems development. Key Responsibilities: Building, owning, and maintenance of large-scale distributed systems Collaborate with cross-functional teams including UX/UI designers, front-end developers, and product owners to develop scalable, resilient applications Establishing and executing short and long-term design and architectural roadmaps for the business Driving continual improvement to the efficiency and flexibility of the business platform while keeping high bar for customer trust, performance and availability. Implement clean, maintainable, and efficient code using best practices for distributed application development Conduct thorough testing and debugging to identify and fix any issues or bugs Continuing to innovate on the platform to support Rocket Growth programs Providing technical direction to junior engineers in the team Basic Qualifications: Bachelor's degree in computer science, Engineering, or a related technical field. 8+ years of industry experience building and operating large scale distributed systems Preferred Qualifications: Experience working in building complex software systems that have been successfully delivered to customers Experience communicating with users, other technical teams and senior management to collect requirements, describe software product features, technical designs and product strategy Experience influencing software engineering best practices within your team Hands-on expertise in many disparate technologies, ranging from front-end user interfaces through to back-end systems and all points in between Experience working backwards from the customer and delivering innovative, simple solutions. Pay & Benefits Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $176,000/year in our lowest geographic market to $221,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits Medical/Dental/Vision/Life, AD&D insurance Flexible Spending Accounts (FSA) & Health Savings Account (HSA) Long-term/Short-term Disability Employee Assistance Program (EAP) program 401K Plan with Company Match 18-21 days of the Paid Time Off (PTO) a year based on the tenure 12 Public Holidays Paid Parental leave Pre-tax commuter benefits MTV - [Free] Electric Car Charging Station General Description of Other Compensation “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers. If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at ************************ Requisition: R0066957 Equal Opportunities for All Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

Company Introduction We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Role Overview The Global Operation Technology (Global Ops Tech) is responsible for the system that enable Coupang to reliably fulfill customer orders in Fulfillment Centers within hours of order placement. The Global Ops Tech Organization is on a mission to innovate by building an efficient eco system that operates at breakthrough scale and speed. The desired candidate will help lead Global Ops Tech Picking team build systems that drive the overall process and workflow of Coupang's fulfillment systems. This work will not only include designing and building world-class systems but also drive adoption of advanced technologies in terms of innovation and process optimization. What You Will Do Serve as a technical lead on our most demanding, cross-functional projects involving Inventory and Promise. Independently come up with quality architecture and design of systems for new microservices and machine learning pipelines. Functionally decompose complex problems into simple, straightforward solutions. Possess expert knowledge in performance, scalability, enterprise distributed architecture, and engineering best practices. Assist in the career development of others, actively mentoring individuals and the community on advanced technical issues and helping managers guide the career growth of their team members. Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing your deep knowledge and experience Basic Qualifications Bachelor's degree and/or Master's degree in Computer Science or equivalent. 7+ years of software engineering experience, including Java. 7+ years of experience leading large-scale projects. Strong understanding of backend scalable software architecture, distributed systems, and message-oriented architecture. Experience with high-scale production systems with fault-tolerance and monitoring. Operationalizing software in a large-scale environment with high availability requirements. Preferred Qualifications Experience with scalable distributed systems and understanding of machine learning algorithms. Experience in the eCommerce domain involved in supply chain systems around Inventory and Promise.. Experience with AWS; Java language would be a plus. Pay & Benefits Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $138,000/year in our lowest geographic market to $200,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits (Drafter: Please check with your team if any change on the benefit description) Medical/Dental/Vision/Life, AD&D insurance Flexible Spending Accounts (FSA) & Health Savings Account (HSA) Long-term/Short-term Disability Employee Assistance Program (EAP) program 401K Plan with Company Match 18-21 days of the Paid Time Off (PTO) a year based on the tenure 12 Paid Holidays XX weeks of Paid Parental leave Pre-tax commuter benefits MTV - [Free] Electric Car Charging Station General Description of Other Compensation “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Details to Consider This job posting may be closed prior to the stated end date for application if all openings are filled. Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process. Those eligible for employment protection (recipients of veteran's benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws. Privacy Notice Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: **************************************** Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at ************************ .

We exist to wow our customers. We know we're doing the right thing when we hear our customers say, "How did we ever live without Coupang?" Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Role Overview The Coupang Corner Stone team in tech infrastructure organization, takes charge of company-wide transaction data storage and common data service layer to materialize e-commerce data for low latency reading. The team manages two statefull critical services - UUID generator and data materialization service, and eight storage services including five self-host databases like Cassandra, Elastic Search, MySQL, Vitess and Clickhouse, and three AWS managed services like Aurora, DynamoDB and DocumentDB. We are looking for a technical leader for the team to oversee the 10 critical services and build the next generation of transactional data storage as a service solution. You are the leader in driving across teams' tech initiatives and leading engineers to deliver the results. You can proactively identify the system issues, propose solutions, and socialize ideas with stakeholders. You can resolve challenging technical issues and build consensus on the direction and solution. You follow the latest technology and introduce the best industry practice to the company. What You Will Do * Lead the technical new initiatives and work with partner teams to deliver results. * Define the technical direction and work with the leadership team to build the roadmap. * Identify the system reliability and performance issues and propose solutions applying best industry practice. * Lead the challenging incident investigation and represent the team in the incident war room. * Collaborate with other Coupang tech teams to make the service extensible to support business growth * Drive communication up to Principal Engineer and VP level. * Advocate engineer excellence and operation excellence with the team * Hire and develop team members with knowledge sharing and high-quality interviews. Minimum Qualifications * Bachelor's degree in computer science, Electrical Engineering, Math, or a closely related field * 8 years of experience in backend software development * Proficiency in Java * Experience working in cloud environments, particularly AWS * Demonstrated experience in building and maintaining highly available, distributed systems Preferred Qualifications * Deep understanding of Kubernetes, database and storage technologies * Deep understanding of service availability, scalability, latency, monitoring and operation. * Have experience of infrastructure and technical platform work * Have experience of driving across team tech initiatives and new customer migration. * Strong System design, hand on coding and debugging skills * Familiar with AWS technology * Excellent communication skills in English including verbal and written * 10+ years working experience on software design & development experience distributed system and experience developing large scale enterprise Pay & Benefits Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $159,000/year in our lowest geographic market to $324,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits * Medical/Dental/Vision/Life, AD&D insurance * Flexible Spending Accounts (FSA) & Health Savings Account (HSA) * Long-term/Short-term Disability * Employee Assistance Program (EAP) program * 401K Plan with Company Match * 18-21 days of the Paid Time Off (PTO) a year based on the tenure * 12 Paid Holidays * Paid Parental leave * Pre-tax commuter benefits * MTV - [Free] Electric Car Charging Station General Description of Other Compensation "Other Compensation" includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at [email protected].

Please complete the attached Internal Transfer Request Form and submit. Please make sure to apply with your Coupang e-mail address. We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Role Overview As our Staff Software Engineer for Coupang Media Group , you will be responsible for designing and developing our advertising platform to support Coupang's fast business growth. Coupang is investing in building a world-class Advertising business where we run relevant ads across our website and Mobile App. We are building the next generation of products and services to fuel Coupang ad business's future growth by providing self-service advertising capabilities to our Sellers and Suppliers. We are looking for passionate software engineers to build the big data pipeline and highly scalable online systems to power our advertisement products. You will be working on search, recommendation, and machine learning technologies and systems to power and enhance our advertisement products. You are responsible for developing low latency, highly available, large-scale services and systems and building APIs for programmatic integrations. What You Will Do Identify opportunities to initiate technical investments and drive milestones within the Ads Serving Platform. Design and construct robust, scalable, and efficient distributed ad systems. Execute and deliver impactful system solutions that benefit multiple teams in Ads. Drive and manage multiple impactful initiatives and projects concurrently. Mentor and provide guidance to fellow team members. Minimum Qualifications 4 years of relevant industry experience with distributed systems, system programming and backend development 4 years of solid work with fundamental algorithms, system design, and large distributed systems. Bachelor's degree in Computer Science or equivalent Preferred Qualifications 7+ years of solid experience with fundamental algorithms, system design, and large distributed systems. 7+ years of coding experience, specifically in Java. Hands-on experience in building large-scale serving and data infrastructure. Experience with service-oriented architecture and web application/services development Practical experience in utilizing AWS (Amazon Web Services). Experience in designing and constructing machine learning-based applications and systems. Experience in designing and constructing systems and applications for advertising/search advertising, search, and recommendations. Experience in leading cross-team system design and execution. Pay & Benefits Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $138,000/year in our lowest geographic market to $297,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits Medical/Dental/Vision/Life, AD&D insurance Flexible Spending Accounts (FSA) & Health Savings Account (HSA) Long-term/Short-term Disability Employee Assistance Program (EAP) program 401K Plan with Company Match 18-21 days of the Paid Time Off (PTO) a year based on the tenure 12 Paid Holidays Paid Parental leave Pre-tax commuter benefits MTV - [Free] Electric Car Charging Station General Description of Other Compensation “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at ************************. Requisition # R0068178 Please complete the attached Internal Transfer Request Form and submit. Please make sure to apply with your Coupang e-mail address.

We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Role Overview The Coupang Corner Stone team in tech infrastructure organization, takes charge of company-wide transaction data storage and common data service layer to materialize e-commerce data for low latency reading. The team manages two statefull critical services - UUID generator and data materialization service, and eight storage services including five self-host databases like Cassandra, Elastic Search, MySQL, Vitess and Clickhouse, and three AWS managed services like Aurora, DynamoDB and DocumentDB. We are looking for a technical leader for the team to oversee the 10 critical services and build the next generation of transactional data storage as a service solution. You are the leader in driving across teams' tech initiatives and leading engineers to deliver the results. You can proactively identify the system issues, propose solutions, and socialize ideas with stakeholders. You can resolve challenging technical issues and build consensus on the direction and solution. You follow the latest technology and introduce the best industry practice to the company. What You Will Do Lead the technical new initiatives and work with partner teams to deliver results. Define the technical direction and work with the leadership team to build the roadmap. Identify the system reliability and performance issues and propose solutions applying best industry practice. Lead the challenging incident investigation and represent the team in the incident war room. Collaborate with other Coupang tech teams to make the service extensible to support business growth Drive communication up to Principal Engineer and VP level. Advocate engineer excellence and operation excellence with the team Hire and develop team members with knowledge sharing and high-quality interviews. Minimum Qualifications Bachelor's degree in computer science, Electrical Engineering, Math, or a closely related field 8 years of experience in backend software development Proficiency in Java Experience working in cloud environments, particularly AWS Demonstrated experience in building and maintaining highly available, distributed systems Preferred Qualifications Deep understanding of Kubernetes, database and storage technologies Deep understanding of service availability, scalability, latency, monitoring and operation. Have experience of infrastructure and technical platform work Have experience of driving across team tech initiatives and new customer migration. Strong System design, hand on coding and debugging skills Familiar with AWS technology Excellent communication skills in English including verbal and written 10+ years working experience on software design & development experience distributed system and experience developing large scale enterprise Pay & Benefits Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $159,000/year in our lowest geographic market to $324,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits Medical/Dental/Vision/Life, AD&D insurance Flexible Spending Accounts (FSA) & Health Savings Account (HSA) Long-term/Short-term Disability Employee Assistance Program (EAP) program 401K Plan with Company Match 18-21 days of the Paid Time Off (PTO) a year based on the tenure 12 Paid Holidays Paid Parental leave Pre-tax commuter benefits MTV - [Free] Electric Car Charging Station General Description of Other Compensation “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at ************************.

Please complete the attached Internal Transfer Request Form and submit. Please make sure to apply with your Coupang e-mail address. Company Introduction We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Job Overview: Coupang's Rocket Growth Engineering Team is responsible for building the next generation fulfillment by Coupang platform that allows Sellers to bring the widest possible quality selection of items available at competitive prices to Coupang's customers in a convenient manner. We are building full-stack engineering teams to scale up our systems for the vast and growing selection. This role requires leadership of one of the most critical systems that will invest millions of listings, enabling quality experience for our Sellers from Listings, and Order Fulfillment to Settlements. We provide intelligence for Sellers to optimize their Selection, prices, and fulfillment experience to Coupang's customer needs, enabling Coupang to become the most trusted selling platform. We are looking for a leader who has previous E-commerce leadership experience and has led distributed systems development. Key Responsibilities: Building, owning, and maintenance of large-scale distributed systems Collaborate with cross-functional teams including UX/UI designers, front-end developers, and product owners to develop scalable, resilient applications Establishing and executing short and long-term design and architectural roadmaps for the business Driving continual improvement to the efficiency and flexibility of the business platform while keeping high bar for customer trust, performance and availability. Implement clean, maintainable, and efficient code using best practices for distributed application development Conduct thorough testing and debugging to identify and fix any issues or bugs Continuing to innovate on the platform to support Rocket Growth programs Providing technical direction to junior engineers in the team Basic Qualifications: Bachelor's degree in computer science, Engineering, or a related technical field. 8+ years of industry experience building and operating large scale distributed systems Preferred Qualifications: Experience working in building complex software systems that have been successfully delivered to customers Experience communicating with users, other technical teams and senior management to collect requirements, describe software product features, technical designs and product strategy Experience influencing software engineering best practices within your team Hands-on expertise in many disparate technologies, ranging from front-end user interfaces through to back-end systems and all points in between Experience working backwards from the customer and delivering innovative, simple solutions. Req# R0066957 Please complete the attached Internal Transfer Request Form and submit. Please make sure to apply with your Coupang e-mail address.

Please complete the attached Internal Transfer Request Form and submit. Please make sure to apply with your Coupang e-mail address. Staff Backend Engineer - Foundational Systems and Platforms (FSP) We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar commerce industry from the ground up. We are one of the fastest-growing retail companies that established an unparalleled reputation for being a leading and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurial, surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Job Overview: This role is in Foundational Systems and Platforms (FSP) organization in Global Operations Technology. Our charter includes Inventory Platform that managed inventory for Coupang and Fulfillment Execution system that orchestrates the complete journey of delivering a customer's order to their doorstep. We are looking for a Staff engineer to help us build our next generation systems in FSP organization. The candidate should have strong backend engineering experience that includes building highly scalable systems, using workflow based orchestration solutions, actor-based and CQRS frameworks. Experience in AWS eco system and platform solutions like temporal and Akka will be preferred. Candidate should have proven track record in delivering mission critical systems that supports operations and customers. This requires maintaining a high bar in Operational Excellence (OE) and working closely with our operations and product stakeholders. Key Responsibilities: Independently come up with quality architecture and design of systems for new microservices and machine learning pipelines. Functionally decompose complex problems into simple, straightforward solutions. Possess expert knowledge in performance, scalability, enterprise distributed architecture, and engineering best practices. Assist in the career development of others, actively mentoring individuals and the community on advanced technical issues and helping managers guide the career growth of their team members. Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing your deep knowledge and experience. Qualifications: Bachelor's degree and/or Master's degree in Computer Science or equivalent. 7+ years of software engineering experience, including Java. 7+ years of experience leading large-scale projects. 7+ years of knowledge of emerging platforms, Java, C/C++, operating system principles, and programming best practices. Strong understanding of backend scalable software architecture, distributed systems, and message-oriented architecture. Experience with full-stack, high-scale production systems with fault-tolerance and monitoring. Req: R0068651 Experience with building stream-processing systems, using solutions such as Kafka and Spark-Streaming. Data caching and storage techniques and creating distributed software architectures with horizontal scale. Operationalizing software in a large-scale environment with high availability requirements. Preferred: Experience with scalable distributed systems and understanding of machine learning algorithms. Experience in the eCommerce domain involved in supply chain systems around Inventory and Promise. Software development experience with Java, Scala, Python, NoSQL and Distribute Compute Experience with AWS; Java language would be a plus. Please complete the attached Internal Transfer Request Form and submit. Please make sure to apply with your Coupang e-mail address.

Staff Backend Engineer - Inventory and Promise Platform We exist to wow our customers. We know we're doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar commerce industry from the ground up. We are one of the fastest-growing retail companies that established an unparalleled reputation for being a leading and reliable force in South Korean commerce. We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurial, surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Job Overview: As our Staff Backend Engineer for the Inventory and Promise Platform team, you will empower Coupang Fulfillment & Transportation to operate faster, better, and cheaper through modern, reliable, and data-driven technologies. In this role, you will be a key contributor to an area of the business that is rapidly expanding and is recognized for its Rocket Delivery service. The team already builds services that process thousands of requests per second, generate trillions of won annually in business decisions, and manage business rules that move millions of products. We are responsible for improving order coordination with technology to deliver products to millions of online shoppers. The role will involve technical leadership on rearchitecting and building a brand new Inventory and Promise platform which powers customer's shopping experience by giving inventory visibility to the customer to be able to order and gives out promised delivery dates for their order. Additionally, the platform also powers fulfillment orchestration once an order is placed. Key Responsibilities: Serve as a technical lead on our most demanding, cross-functional projects involving Inventory and Promise. Independently come up with quality architecture and design of systems for new microservices and machine learning pipelines. Functionally decompose complex problems into simple, straightforward solutions. Possess expert knowledge in performance, scalability, enterprise distributed architecture, and engineering best practices. Assist in the career development of others, actively mentoring individuals and the community on advanced technical issues and helping managers guide the career growth of their team members. Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing your deep knowledge and experience. Qualifications: Bachelor's degree and/or Master's degree in Computer Science or equivalent. 6+ years of software engineering experience, including Java. 6+ years of experience leading large-scale projects. 6+ years of knowledge of emerging platforms, Java, C/C++, operating system principles, and programming best practices. Strong understanding of backend scalable software architecture, distributed systems, and message-oriented architecture. Experience with full-stack, high-scale production systems with fault-tolerance and monitoring. Experience with building stream-processing systems, using solutions such as Kafka and Spark-Streaming. Data caching and storage techniques and creating distributed software architectures with horizontal scale. Operationalizing software in a large-scale environment with high availability requirements. Preferred: Experience with scalable distributed systems and understanding of machine learning algorithms. Experience in the eCommerce domain involved in supply chain systems around Inventory and Promise. Software development experience with Java, Scala, and Python. Experience with AWS; Java language would be a plus. Requisition: R0068371