Software Developer Internship jobs at Siemens

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Software Development Engineer II Who is Mastercard? Mastercard is a global technology company in the payments sector. We power payments and provide products and services for individuals and industries all around the world. Our people, technology, data and brand provide the capabilities that drive our success. We believe in connecting people to priceless possibilities. As a company, we know that our success is driven by the skills, experience, integrity and mindset of the talent we hire. By building an inclusive, world-class culture, our employees have once-in-a-career opportunities to be a part of teams that have a greater impact on our community and our world. We invite you to join our team to find out how you too can start something priceless. Program Overview [ CCE]Mastercard's Commercial Solutions team is a rapidly growing organization with responsibilities to deliver innovative solutions to help our customers grow and expand their business. Focused on thinking big and scaling fast around the globe, this dynamic team is responsible for end-to-end solutions for a diverse global customer base. We are seeking a Senior Software Engineer to play a pivotal role in a cross-functional development team within the Commercial Solutions organization. Role: • A hands-on full stack engineer that can code and build high quality secure front end and REST API/backend that is modular, functional, and testable. • Contribute to all parts of the software's development including design, development, test, deployment, support, documentation, configuration • Build performant, scalable and secure web applications. • Follow given directions and procedures in software delivery tasks (code development, test, deployment) • Provide guidance and direction on systems and web application architecture and system design. • Guide and coach less experienced engineers. • Focus on user-centered design and problem solving • Participate and drive design, technical and code reviews. • Implement coding standards and approaches. • Promote an Agile approach to software development. Insist on a culture of continuous integration and delivery, automation and minimizing blast radius. • Demonstrate active learning and sharing of software practices via Guild/Engineering community initiatives All About You: • Successfully designed and developed externally facing web applications utilizing modern single page application frameworks. Good knowledge of Spring, Spring Data JPA, REST and other frameworks • Full stack developer with ability to write secure code in backend & frontend programming languages (Java, JavaScript, Angular, SQL) and familiar with secure coding standards and vulnerability management • Possess an understanding of multi-tier web development; including knowledge of server-side technologies and databases. • Passion for improving code quality using approaches such as unit and end to end testing. • Understanding of web application optimizations such as progressive web apps, web workers, browser repaints and reflows, performance and memory optimizations, debugging leaks, caching, flame graphs. • Experience and knowledge of authentication and authorization workflows using concepts like JWT. • Deep knowledge of continuous integration and delivery and toolsets that provide this ability. • Understanding of agile principles and methodologies. • Use and understand Git based source control systems. • Previous experience implementing and complying with ADA and WCAG requirements. • Strong analytical and excellent problem-solving skills Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $92,000 - $147,000 USD

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Software Engineer II Provides support of applications software through programming, analysis, design, development and delivery of software solutions. Responsible for programming, testing, implementation, documentation, maintenance and support of systems application software in adherence with MasterCard standards, processes and best practices. •Develop high quality, secure, scalable software solutions based on technical requirements specifications and design artifacts within expected time and budget. •Perform feasibility studies, logic designs, detailed systems flowcharting, analysis of input-output flow, cost and time analysis. •Work with project team to meet scheduled due dates, while identifying emerging issues and recommending solutions for problems and independently perform assigned tasks, perform production incident management. Participate in on-call pager support rotation. •Document software programs per Software Development Best Practices. Follow MasterCard Quality Assurance and Quality Control processes. •Assist Senior Team members in modification of the documentation templates per the needs of the project and technology. •Contribute ideas to help ensure that required standards and processes are in place and actively look for opportunities to enhance standards and improve process efficiency. •Support collection and reporting of project and software metrics. Education: •Bachelor's degree in Information Technology, Computer Science or Management Information Systems or equivalent work experience. Knowledge / Experience: •Thorough knowledge and understanding of Software Engineering Concepts and Methodologies is required. •1 to 3 years of experience in software engineering field. Ability to work as a member of matrix based diverse and geographically distributed project team. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Report any suspected information security violation or breach, and In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; S. observed holidays; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement;

*SQL Developer* Ready to apply Before you do, make sure to read all the details pertaining to this job in the description below. Consolidated Solutions, a growing marketing solutions company in Cleveland, OH is looking to hire an experienced *SQL Developer* to join our team. Candidates must have expertise in database management, application development, and system integration, emphasizing performance optimization and scalable solutions. Wage based on experience. As a SQL Developer, you will design, implement, and maintain database systems to support and automate business processes. This position involves working on various projects and collaborating with cross-functional teams in a fast-paced environment. *Primary Job Responsibilities* · Work independently and collaboratively to prioritize, design, develop, and implement solutions for automating manual processes. · Develop application code to deliver secure, robust, transactional, and service-oriented web architectures utilizing SQL databases. · Design and implement relational database structures for optimal performance, ensuring data integrity and consistency across multiple environments. · Write efficient SQL queries, stored procedures, and functions, and ensure the security of the databases, as well as backups and disaster recovery plans. · Create and maintain software documentation, including properly commented code that explains functional requirements and technical specifications, along with separate user documentation accessible by any member of the business. This encompasses unit testing that can be integrated into deployment pipelines. · Ensure all new applications meet established security, development, and functionality standards. Mentor team members to enhance their skills. · Provide technical assistance by responding to inquiries regarding errors, problems, or questions in a timely and professional manner. · Stay updated with SQL best practices and advancements in database technologies. *Required Experience and Skills* · Comprehensive knowledge of and experience with SDLC, QA methodologies, tools, and processes. · Proficient in DevOps processes and tools. · Skilled in creating reusable components, methods, and code blocks. · Strong proficiency in SQL and relational database management systems. · Experienced in developing ETL packages using SSIS and generating reports using SSRS. · Familiarity with database security, authentication, and encryption. · Has more than three years of experience in designing, developing, and testing web applications and SQL databases. · Participation in HiTrust or similar compliance/security assessments This position offers competitive benefits beginning on day one as well as a flexible hybrid work schedule. xevrcyc Wage based on experience or please provide salary range when applying. Job Type: Full-time Benefits: * 401(k) * 401(k) matching * Employee assistance program * Flexible spending account * Health insurance * Health savings account * Life insurance * Referral program * Tuition reimbursement * Vision insurance Work Location: In person

*Mid-Level Software Developer * Have you got the right qualifications and skills for this job Find out below, and hit apply to be considered. With over 30 years of experience, Diversified Technology Corp is the leading provider of specialized billing solutions for government and commercial utility companies. We're seeking an experienced Mid-Level Software Developer to join our development team in a growing, innovative environment. This full-time, salary-based position follows a Monday-Friday schedule (40+ hours/week) with occasional travel for client implementations and training. Our clients come first, and our team is passionate about delivering solutions when they're needed most. *Essential Responsibilities* The Mid-Level PHP Laravel Developer will lead complex client projects and maintain mission-critical utility billing platforms serving government clients nationwide. *Primary Duties:* * Develop and lead development projects from conception to deployment with minimal supervision * Contribute to architectural decisions and maintain comprehensive system knowledge * Ability to research and resolve technical challenges and support inquiries * Help recommend design and implement testing strategies for quality assurance testing * Develop and maintain custom client websites and applications * Collaborate on technology roadmap and strategic system improvements *Performance Expectations:* * Deliver complex projects on schedule and within scope * Maintain high code quality standards for full-stack applications * Accurately track billable hours and project time allocation *Required Qualifications* *Education & Experience:* * Bachelor's degree in Computer Science, Software Engineering, or equivalent * 3-5 years of professional software development experience * 2+ years hands-on PHP experience *Technical Requirements:* * Advanced PHP Laravel proficiency (Eloquent ORM, Blade templating, Laravel ecosystem) * Database expertise with MySQL, query optimization, and design * Front-end development skills: JavaScript, HTML5, CSS3, modern frameworks (Vue.js/React preferred) * Version control proficiency with GIT, GitHub, and collaborative workflows * RESTful API development and third-party integration experience *Preferred Skills:* * Server administration, Linux environments, deployment strategies * Cloud platform experience (AWS, Digital Ocean, Azure) * Utility billing systems, accounting software, or enterprise software background * Legacy system modernization and data migration experience *Essential Soft Skills:* * Excellent verbal and written communication for client interactions * Analytical problem-solving approach to complex challenges * Multi-project management and deadline coordination abilities * Strong attention to detail and commitment to code quality at all levels *Work Environment & Requirements* *Physical & Environmental:* * Extended computer use and regular client communication via phone/video * Sedentary work environment with occasional lifting up to 25 pounds * Ability to handle multiple complex projects under deadline pressure *Schedule & Location:* * Monday-Friday, 8-hour shift * Must relocate to Bloomsburg, PA 17815 or be within commutable distance *Comprehensive Benefits* *Financial & Health:* * Competitive salary * Retirement plan with company matching * Generous paid time off including vacation, sick leave, and personal days *Professional Development:* * Tuition reimbursement for continued education * Conference attendance and professional development opportunities * Career advancement opportunities in a growing organization _Diversified Technology Corp is an equal opportunity employer committed to workplace diversity and inclusion._ *Ready to advance your development career? xevrcyc Join our expert team powering essential utility services nationwide.* Job Type: Full-time Pay: $60,000.00 - $70,000.00 per year Benefits: * 401(k) matching * Employee assistance program * Paid holidays * Paid time off * Tuition reimbursement Ability to Commute: * Bloomsburg, PA 17815 (Required) Ability to Relocate: * Bloomsburg, PA 17815: Relocate before starting work (Required) Work Location: In person

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Qlik Developer/Senior Software Engineer Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Are you eager to work with open source software and be exposed to the fast-paced world of Big Data technology? In this role, you can make an immediate impact for a Leading Global Technology Company, MasterCard. The Quality Engineer role is responsible for working with teams across the company to implement new data solutions while maintaining the stability of the platform. You will be responsible for assessing and testing technologies and approaches for ingestion, transformation and storage. In addition, you'll work within the Fraud Data Engineering team to grow their knowledge and expertise. You will get the chance to work with extremely large data sets and be on the cutting edge of transforming the way MasterCard captures, processes, stores and visualizes transactional data. Experience with full stack development with angular and web applications. • API integration with cross functional components that interacts with Qlik and Web server. • Design, develop and implement datamarts with quality and integrity at the top of mind to support our products • Provide oversight and guidance to our Data Engineering development team • Understand data modeling concepts and their application: entities and tables, relations and constraints, attribute data types and column data types BS/BA degree in Computer Science, Information Systems or related field • 3-5 years of experience using Qlik or related Business Intelligence technologies such as WebFocus, Tableau, PowerBI • UI Experience with Angular • Deep understanding of high-performant data concepts such as file stores, wide column databases, key-value pairs, etc. • Agile/Scrum methodologies Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.Do not include any medical or health information in this email. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Report any suspected information security violation or breach, and In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; S. observed holidays; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement;

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Business Rules, Lead Software Engineer Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview The Business Rules Engineering & Strategy team is looking for a Lead Software Engineer to drive forth our mission of building robust IBM ODM Rule solutions that provide transaction level decisioning, alerting and notifications. Business Rules embed intelligence into the transactional cycle by leveraging scoring models, cohesive rule strategies and behavioral data, and when combined with our agile rule development & deployment capabilities, results in a competitive advantage for all stakeholders, in the entire payment ecosystem. Role Provide technical leadership, rule strategy design and product requirement elaboration expertise for fraud prediction applications, which include mission critical, high volume transaction processing systems. Oversee all changes and analyze new development requests; provide feedback on capabilities and effectiveness of rule-based solutions to all stakeholders. Own all aspects of communication as rule development cycle unfolds; develop reports and authoritative responses pertaining to your products & technical solutions. Ownership, creation and maintenance of all product documentation, and relevant "How To" technical process pages. Accountability, ownership and representation of your products and solutions in all facets of engagement with other groups. All About You The ideal candidate for this position should: Have a bachelor's degree in Information Systems, Information Technology, Computer Science or Engineering or equivalent work experience. Have IBM Operational Decision Manager software experience Have current experience in delivering technical solutions and capabilities to meet business and product strategies, including a focused relationship with technical and business providers. Financial Services or Payments experience a plus. Direct experience with the development of custom software applications and services across a variety of technology selections and frameworks. Experience with software engineering concepts and methodologies, including agile lifecycles, testing automation, and behavior-driven development. Strong background in object-oriented architecture, design, and development. Direct Java experience preferred. Experience with multiple OO languages and SQL a plus. High-energy and detail-oriented, with the ability to function under pressure in an independent environment with a high degree of initiative and self-motivation to drive results; good at organizing and planning for several concurrent initiatives with conflicting needs. Interested in building solutions that help recognize and prevent payment fraud? Strong sense of curiosity, analytical problem solving and is passionate about the customer experience journey Flexible work style with the ability to quickly pivot to new priorities Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $140,000 - $231,000 USD

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead Software Engineer Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Smart Interface Overview: Diverse agile team working on the Smart Interface product which is a set of APIs that allow Mastercard customers to participate in the 3-D Secure ecosystem. The 3-D Secure authentication protocol is based on a three-domain model where the Acquirer and Issuer are connected by the Interoperability Domain for the purpose of authenticating a Cardholder during an electronic commerce (e-commerce) transaction or to provide identity verification and account confirmation. Smart Interface provides this interoperability where the main function is to route authentication requests to the appropriate Directory Server for further processing. We support e-commerce (browser and in app) transactions from around the world. Role • This position serves as a technical leader within a team tasked with guiding the design, development, and delivery of significant cross-departmental initiatives that have a wide scope and long-term business impact. • Candidates must be able to obtain a deep technical understanding of the applications/systems that they are working on and must be willing to dig in and ask challenging questions to make sure that plans are executed efficiently. • Candidates must demonstrate strong engineering and technical leadership and the ability to engage in out-of-the-box problem-solving. • Candidate will be responsible for researching alternative technical solutions for changing business needs. • Demonstrate active learning and sharing of software practices via Guild/Engineering community initiatives • Provide technical design and architecture advice to internal teams on securely developing and building applications and supporting systems • Regularly communicate with management about risk analysis and design trade-offs. • Work on Pre SDLC or Discovery activities, owning and contributing to assigned activities related to technical feasibility & assessment and providing responses. • Provide guidance to teams on development standards, automation, and tools. • Identify performance bottlenecks and come up with novel ways to solve them. • Work to define feature requirements and deliver the product that materially impacts the business and improves the consumer experience. All about you • Demonstrate a profound mastery of software engineering concepts and practices across all phases of the software development lifecycle, showcasing an exceptional breadth of knowledge and insight. • Hand-on experience in Shell Scripting (Unix/Windows) • Proficient in any of the following programming languages: Java, Python or Rust. • Fundamental understanding of private or public cloud ecosystems and CI/CD practices. • Desire to stay abreast of new development technologies and tools. • Demonstrate the ability to articulate and communicate effectively to diverse audiences, properly translate security and risk management terminology into business terms, and recommend alternative solutions to these stakeholders. • Excellent interpersonal skills and ability to work in a collaborative environment. • Strong communication skills, with an ability to express design ideas to a development team. • BS in Computer Science or related technical field or equivalent practical experience. • Working experience in a continuous integration development environment, preferably Jenkins. • Experience in secure software development. To find US Salary Ranges, visit People Place. Under the Compensation tab, select "Salary Structures." Within the text of "Salary Structures," click on the link "salary structures 2025," through which you will be able to access the salary ranges for each Mastercard job family. For more information regarding US benefits, visit People Place and review the Benefits tab and the Time Off & Leave tab. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Pay Ranges O'Fallon, Missouri: $138,000 - $221,000 USD

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Software Engineer II Who is Mastercard? At Mastercard technology, we work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team - one that makes better decisions, drives innovation, and delivers better business results. Technology at Mastercard What we create today will define tomorrow. Revolutionary technologies that reshape the digital economy to be more connected and inclusive than ever before. Safer, faster, more sustainable. And we need the best people to do it. Technologists who are energized by the challenges of a truly global network. With the talent and vision to create the critical systems and products that power global commerce and connect people everywhere to the vital goods and services they need every day. Working at Mastercard means being part of a unique culture. Inclusive and diverse, a rich collaboration of ideas and perspectives. A place that celebrates your strengths, values your experiences, and offers you the flexibility to shape a career across disciplines and continents. And the opportunity to work alongside experts and leaders at every level of the business, improving what exists, and inventing what's next. About the Role • Successfully lead multiple initiatives and complex assignments with broad scope and long-term business implications. • Develop innovative solutions that meet specific business needs. • Partner with TPMs, PMTs, and lead SDE across the initiatives to lead SDLC efforts. • Assist and collaborate with solution architects and cross functional teams across the different regions. • Create proof of concept applications • Collaborate with business and technical partners • Assist in the evaluation of 3rd parties and 3rd party products. • Ensure adherence to established quality control practices. • Create and maintain technology roadmaps. • Ensure adherence to established software development process. • Effectively communicate to management, business owners, and other stake holders. All About You • Bachelor's degree in Information Systems, Information Technology, Computer Science or Engineering or equivalent experience. • Seasoned tech lead having experienced technologists with technical breadth and depth coupled with strong interpersonal skills. • An architect who loves to solve complex problems and passionate about designs, quality of deliverables, and collaborating with high performing teammates towards product delivery and support • Contribute to the delivery of decoupling the existing platforms into smaller reusable services by maintain a technology roadmaps • Brings in cloud based architect experience and integrating vendor and open source products into an overall systems • Experience on integration using external third party libraries and APIs, payment gateways, CI understanding • Expertise and advanced skills in designing, analyzing, troubleshooting, implementing large-scale, robust solutions systems that perform faultlessly at scale, with high availability resilience • Ability to quickly learn and implement new technologies, frameworks and tools and support & manage multiple concurrent initiative/projects under Strategic Growth and working as a member of a matrix based diverse and geographically distributed project team. • Experience in delivering secure solutions in Financial Services Sector is preferred. • Advanced knowledge and understanding of Software Engineering Concepts and Methodologies are required. • Expertise in TPL [The pattern Language, formerly Tideway Pattern Language] versions 1.12+ and associated Query Language or similar languages (Python/Jython/Perl) Skills • Ability to be high-energy, detail-oriented, proactive and able to function under pressure in an independent environment along with a high degree of initiative and self-motivation to drive results. • Strong communication skills -- both verbal and written - and strong relationship, collaboration skills and organizational skills. • Ability to quickly learn and implement new technologies, frameworks and tools and support multiple concurrent activities and to interface with external / internal resources, working as a member of a matrix based diverse and geographically distributed project team. • Experience architecture, design patterns and responsible for designing, developing and running micro services. • Ability to innovate and develop new approaches to complex design problems and experience leading design efforts and providing technical leadership to developers • Ability to work with PMT, TPM, PO & software engineering team to translate requirements to design, implementation of quality deliverables. • Supervise & review design & implementation to comply with industry standard practices and quality attributes. • Generate and manage reference architecture to preserve & reuse the knowledge, reproduce artifacts to leverage for architecture & design description. Key Technology Areas • Object-oriented design and programming • Open source frameworks such as Spring, Springboot, Spring batch and Hibernate • Oracle, PL/SQL, JDBC, Postgress, redis • Web Services (SOAP, REST, XML, XSL) • Object-oriented design and programming Preferred Knowledge • Cloud Technologies (PCF/AWS/Azure) • Linux/Bash skills • CI/CD with Jenkins or equivalent tooling • Agile development methodology • Knowledge of REGx in pattern Matching • Working with a preferred IDE such as Visual Studio Code, Eclipse or Notepad ++Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $92,000 - $147,000 USD

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Software Engineer II Job Overview: Provides support of applications software through programming, analysis, design, development and delivery of software solutions. Researches alternative technical solutions for changing business needs. Major Accountabilities: •Responsible for programming, testing, implementation, documentation, maintenance and support of systems application software in adherence with MasterCard standards, processes and best practices. •Develop high quality, secure, scalable software solutions based on technical requirements specifications and design artifacts within expected time and budget. •Research, create and evaluate technical solution alternatives for the business needs current and upcoming technologies and frameworks. •Perform feasibility studies, logic designs, detailed systems flowcharting, analysis of input-output flow, cost and time analysis. •Work with project team to meet scheduled due dates, while identifying emerging issues and recommending solutions for problems and independently perform assigned tasks, perform production incident management. Participate in on-call pager support rotation. •Document software programs per Software Development Best Practices. Follow MasterCard Quality Assurance and Quality Control processes. •Assist Senior Team members in modification of the documentation templates per the needs of the project and technology. •Contribute ideas to help ensure that required standards and processes are in place and actively look for opportunities to enhance standards and improve process efficiency. •Support collection and reporting of project and software metrics. Education: •Bachelor's degree in Information Technology, Computer Science or Management Information Systems or equivalent work experience. Knowledge / Experience: •Thorough knowledge and understanding of Software Engineering Concepts and Methodologies is required. •Must demonstrate MC Core Competencies. •1 to 3 years of experience in software engineering field. Skills/ Abilities: •Must be high-energy, detail-oriented and proactive with the ability to function under pressure in an independent environment. •Must provide the necessary skills to have a high degree of initiative and self-motivation with a willingness and ability to learn and take on challenging opportunities. •Strong communication skills -- both verbal and written - with strong relationship, collaborative skills and organizational skills. •Ability to work as a member of matrix based diverse and geographically distributed project team. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Pay Ranges O'Fallon, Missouri: $92,000 - $147,000 USD

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Smart Interface Overview: Diverse agile team working on the Smart Interface product which is a set of APIs that allow Mastercard customers to participate in the 3-D Secure ecosystem. The 3-D Secure authentication protocol is based on a three-domain model where the Acquirer and Issuer are connected by the Interoperability Domain for the purpose of authenticating a Cardholder during an electronic commerce (e-commerce) transaction or to provide identity verification and account confirmation. Smart Interface provides this interoperability where the main function is to route authentication requests to the appropriate Directory Server for further processing. We support e-commerce (browser and in app) transactions from around the world. Role All staff at Mastercard are expected to demonstrate 'Mastercard Way' cultural values every day - own it, simplify it, sense of urgency, thoughtful risk-taking, unlock potential, and be inclusive - with a relentless focus on our customers. As a Sr Software Development Engineer at Mastercard, you are expected to perform the following general duties: • Work with business/product owners to develop and deliver on new and enhanced services • Drive the application design, including dependent services, service interactions, and policies • Participate in team prioritization discussions with Product/Business stakeholders • Estimate and own delivery tasks (design, dev, test, deployment, configuration, documentation) to meet business requirements • Drive integration of services focusing on customer journey and experience • Simplify and improve the cost/benefit of a function/service/architecture strategy • Automate build, operate, and run aspects of Smart Interface All About You • Has the ability to write secure code in two or more languages (e.g., Java, JavaScript, Angular) and familiar with secure coding standards (e.g., OWASP, CWE, SEI CERT) and vulnerability management • Has skills in building applications using open frameworks to achieve reuse and reduce development times (e.g., Spring Boot, Angular, others) • Understands internals of operating systems (Windows, Linux) to write interoperable and performant code • Understands internals of Pivotal Cloud Foundry (PCF) and Cloud platforms and tools • Has skills to undertake infrastructure and deployment automation using industry-standard tooling (e.g., Chef, Puppet, SaltStack, Terraform, Ansible) • Familiar with the adoption of standard logging frameworks and tools (e.g., log4j, Splunk) to aggregate and analyze time-series of logs • Has skills to build monitoring and alerting focusing on key signals (resource usage, threshold breaches, rate of change) by using industry-standard tools (e.g., Splunk, Dynatrace) • Able to perform debugging and troubleshooting to analyze core, heap, thread dumps and remove coding errors • Understands software development productivity metrics (e.g., code churn, commit size, commits/story) and help teams to remove blockers and continuously improve code velocity, quality, and release frequency • Understands Platform-as-a-Service to build applications that run on standardized application platforms and deploy specifications, e.g., Web and application servers, API Gateways, Database Services, and Load balancers • Has skills to engage engineers across Technology organization to promote standard software patterns and reuse of common libraries and services • Has skills to succinctly articulate architecture patterns of complex systems, with business and technical implications, to executive and customer stakeholders • Leverages understanding of DevOps best practices to guide developers and abstract application development from underlying hosting platforms and infrastructure • Has skills to evaluate practices, metrics, and roles to continually optimize SDLC methodologies and automate processes to improve lead time and quality To find US Salary Ranges, visit People Place. Under the Compensation tab, select "Salary Structures." Within the text of "Salary Structures," click on the link "salary structures 2025," through which you will be able to access the salary ranges for each Mastercard job family. For more information regarding US benefits, visit People Place and review the Benefits tab and the Time Off & Leave tab. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Pay Ranges O'Fallon, Missouri: $115,000 - $184,000 USD

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Overview Mastercard's Commercial Solutions team is a rapidly growing organization with responsibilities to deliver innovative solutions to help our customers grow and expand their business. Focused on thinking big and scaling fast around the globe, this dynamic team is responsible for end-to-end solutions for a diverse global customer base. We are seeking a Lead Software Development Engineer to lead a cross-functional development team within the Commercial Solutions organization. Role: • Build performant, scalable and secure web applications. • Provide leadership, guidance and direction on systems and web application architecture and system design. • Guide and coach less experienced engineers. • Focus on user-centered design. • Spearhead design, technical and code reviews. • Implement coding standards and approaches. • Promote an Agile approach to software development. Insist on a culture of continuous integration and delivery, automation and minimizing blast radius. • Collaborate with teams across the organization to mitigate risk and resolve dependencies. All About You: • Successfully designed and developed externally facing web applications utilizing modern single page application frameworks. Angular and React JS preferred. • Good understanding of JavaScript and it's benefits and quirks. • Proven experience building ADA and WCAG compliant web applications. • Successfully designed and developed cloud ready REST APIs utilizing industry best practices. • Good understanding of Cloud Architecture and it's benefits and quirks. • Good understanding of Messaging frameworks and event-based architecture and it's benefits and quirks. • Possess an understanding of multi-tier web development; including knowledge of server-side technologies and databases. • Understanding of web application optimizations such as progressive web apps, web workers, browser repaints and reflows, performance and memory optimizations, debugging memory leaks, caching, flame graphs. • Experience and knowledge of authentication and authorization workflows using concepts like JWT. • Have proficiency in Quality engineering and experience working with tools like Rest Assured, Cypress or similar technologies.. • Passion for improving code quality using approaches such as unit, automation and end to end testing. • Deep knowledge of Continuous Integration and Delivery and toolsets that provide this ability. • Understanding of agile principles and methodologies and experience implementing and adapting them to fit the team's needs. • Use and understand Git based source control systems. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $115,000 - $184,000 USD

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer (Java, Hadoop) Our Purpose We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team - one that makes better decisions, drives innovation and delivers better business results. Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview Be part of MasterCard's Decision Management Platform, which serves as the decisioning engine for multiple business solutions to combat fraud and validate cardholder identity. Our patented Java-based platform processes billions of transactions per day in tens of milliseconds using a multi-tiered, message-oriented approach for high performance and availability. Have you ever wanted to be a part of something BIG? Do you have experience integrating new and emerging technologies into existing environments as technologies evolve and demands change? In this role, you can make an immediate impact for a Leading Global Technology Company, MasterCard. The Senior Software Engineer role is responsible for working with teams across the company to implement new data solutions while maintaining the stability of the platform. You'll work within the Fraud Data Engineering team to grow their knowledge and expertise. You will get the chance to work with extremely large data sets and be on the cutting edge of transforming the way Mastercard captures, processes, stores and visualizes transactional data. We're looking for a highly skilled and passionate engineer who thrives at the intersection of customer needs, business goals, and cutting-edge technology. The ideal candidate is not only technically proficient but also deeply curious, collaborative, and committed to delivering impactful solutions. Key Responsibilities -6-8 years of experience in software application development, with a strong foundation in programming. -Minimum 5 years of hands-on experience in Java or Scala. -At least 3 years of experience working with Hadoop platforms. -Solid understanding of software engineering principles, including object-oriented design and microservices architecture. -Proven expertise in building data processing applications using Scala and Python 3.10+. -Strong grasp of design patterns, clean code practices, and writing maintainable, scalable software. -Experience developing container-based applications in a microservices environment. -Passion for learning and mentoring, with a collaborative mindset and eagerness to grow technical skills. -Deep knowledge of Big Data platforms such as Databricks, Cloudera, Teradata, and the underlying Hadoop architecture. -Creative problem-solver with a startup mentality and enthusiasm for tackling complex data and algorithmic challenges. -Proficient with Git or similar version control systems. -Committed to building high-quality, robust, and scalable software, with experience in CI/CD, test automation, and monitoring/alerting. -Comfortable working in a high-performing Agile team. -Excellent communication and interpersonal skills. Preferred Qualifications -Experience with relational and NoSQL databases, including query optimization and performance tuning. -Hands-on experience with Spark 3.x and building large-scale batch data -pipelines on Hadoop clusters. -Familiarity with messaging systems like Kafka and reactive architecture paradigms. -Experience designing fault-tolerant, high-availability systems. -Background in data modeling and building data dictionaries for big data environments. -Exposure to cloud platforms such as Azure, AWS, or IBM Cloud (in order of preference). -Knowledge of secure software development, including tools like Checkmarx. -Experience with data analytics platforms, workflow engines, and UNIX shell scripting. -1-2 years of experience in software architecture and mentoring junior engineers. Skills & Attributes -High energy, detail-oriented, and proactive with the ability to work independently under pressure. -Strong initiative and self-motivation to drive results. -Excellent verbal and written communication skills. -Strong collaboration and organizational abilities. -Willingness to embrace challenges and work within a matrixed, geographically distributed team. About Mastercard In the US, Mastercard is an inclusive Equal Employment Opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. If you require accommodations or assistance to complete the online application process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting.? Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices. Ensure the confidentiality and integrity of the information being accessed. Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. #LI-KC Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $115,000 - $184,000 USD

: Apply fast, check the full description by scrolling below to find out the full requirements for this role. United Wholesale Mortgage is hiring a Senior Software Developer for an on-site position in Pontiac, MI. WHAT YOU WILL BE DOING: Develop scalable AI/ML models and systems using cutting-edge technology Participate in project focused Scrum rituals (standup, grooming, planning, retrospective) Work with AI Scientists, ML Engineers, Product Managers, and Architects to collaborate and build industry-leading AI solutions Develop and design data pipelines, model training/inference services, and data storage solutions Promote best practices and patterns in software development Promote MLOps best practices for model versioning, deployment, and monitoring Research and assess new technologies Mentor new developers and support cross-functionality of roles WHAT WE NEED FROM YOU: Required: 7+ Years of professional work experience in Python software development Extensive experience with core AI/ML libraries (e.g., TensorFlow, PyTorch, scikit-learn, Pandas, XGBoost) Experience with Python RESTful APIs using Fast API, ensuring effective communication between backend systems and applications Experience with relational and/or NoSQL databases (e.g., SQL, Google FireStore, Azure Cosmos DB) Bachelor's degree in CS, IT, Computer Engineer or related field Experience building and deploying machine learning models in a production environment Ability to work with limited guidance in a team environment Expert knowledge of object oriented programming This position requires on-site attendance. Preferred: Experience with Cloud Platforms (GCP Preferred, AWS, Azure) and their AI/ML services like Gemini Experience with Jira Experience in an Agile environment Experience with Python unit testing frameworks (e.g., pytest) Experience with .NET Knowledge of SOLID principles THE PLACE & THE PERKS: Ready to join thousands of talented team members who are making the dream of home ownership possible for more Americans? It's all happening on UWM's campus, where our award-winning workplace packs plenty of perks and amenities that keep the atmosphere buzzing with energy and excitement. It's no wonder that out of our six pillars, People Are Our Greatest Asset is number one. It's at the very heart of how we treat each other, our clients and our community. Whether it's providing elite client service or continuously striving to improve, our pillars provide a pathway to a more successful personal and professional life. From the team member that holds a door open to the one that helps guide your career, you'll feel the encouragement and support on day one. No matter your race, creed, gender, age, sexual orientation and ethnicity, you'll be welcomed here. Accepted here. And empowered to Be You Here. More reasons you'll love working here include: Paid Time Off (PTO) after just 30 days Additional parental and maternity leave benefits after 12 months Adoption reimbursement program Paid volunteer hours Paid training and career development Medical, dental, vision and life insurance 401k with employer match Mortgage discount and area business discounts Free membership to our large, state-of-the-art fitness center, including exercise classes such as yoga and Zumba, various sports leagues and a full-size basketball court Wellness area, including an in-house primary-care physician's office, full-time massage therapist and hair salon Gourmet cafeteria featuring homemade breakfast and lunch Convenience store featuring healthy grab-and-go snacks In-house Starbucks and Dunkin Indoor/outdoor café with Wi-Fi DISCLAIMER: All the above duties and responsibilities are essential job functions subject to reasonable accommodation and change. All job requirements listed indicate the minimum level of knowledge, skills and/or ability deemed necessary to perform the job proficiently. Team members may be required to perform other or different job-related duties as requested by their team lead, subject to reasonable accommodation. This document does not create an employment contract, implied or otherwise. Employment with UWM is "at-will." UWM is an Equal Opportunity Employer. xevrcyc By selecting "Apply for this job online" you provide consent to UWM to record phone call conversations between you and UWM to be used for quality control purposes.

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Software Engineer II Provides support of applications software through programming, analysis, design, development and delivery of software solutions. Responsible for programming, testing, implementation, documentation, maintenance and support of systems application software in adherence with MasterCard standards, processes and best practices. •Develop high quality, secure, scalable software solutions based on technical requirements specifications and design artifacts within expected time and budget. •Perform feasibility studies, logic designs, detailed systems flowcharting, analysis of input-output flow, cost and time analysis. •Work with project team to meet scheduled due dates, while identifying emerging issues and recommending solutions for problems and independently perform assigned tasks, perform production incident management. Participate in on-call pager support rotation. •Document software programs per Software Development Best Practices. Follow MasterCard Quality Assurance and Quality Control processes. •Assist Senior Team members in modification of the documentation templates per the needs of the project and technology. •Contribute ideas to help ensure that required standards and processes are in place and actively look for opportunities to enhance standards and improve process efficiency. •Support collection and reporting of project and software metrics. Education: •Bachelor's degree in Information Technology, Computer Science or Management Information Systems or equivalent work experience. Knowledge / Experience: •Thorough knowledge and understanding of Software Engineering Concepts and Methodologies is required. •1 to 3 years of experience in software engineering field. Ability to work as a member of matrix based diverse and geographically distributed project team. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Report any suspected information security violation or breach, and In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; S. observed holidays; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement;

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential._ **Lead Software Engineer Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Diverse agile team working on the Smart Interface product which is a set of APIs that allow Mastercard customers to participate in the 3-D Secure ecosystem. The 3-D Secure authentication protocol is based on a three-domain model where the Acquirer and Issuer are connected by the Interoperability Domain for the purpose of authenticating a Cardholder during an electronic commerce (e-commerce) transaction or to provide identity verification and account confirmation. We support e-commerce (browser and in app) transactions from around the world. This position serves as a technical leader within a team tasked with guiding the design, development, and delivery of significant cross-departmental initiatives that have a wide scope and long-term business impact. - Candidates must be able to obtain a deep technical understanding of the applications/systems that they are working on and must be willing to dig in and ask challenging questions to make sure that plans are executed efficiently. - Demonstrate active learning and sharing of software practices via Guild/Engineering community initiatives - Provide technical design and architecture advice to internal teams on securely developing and building applications and supporting systems - Regularly communicate with management about risk analysis and design trade-offs. - Identify performance bottlenecks and come up with novel ways to solve them. - Demonstrate a profound mastery of software engineering concepts and practices across all phases of the software development lifecycle, showcasing an exceptional breadth of knowledge and insight. - Hand-on experience in Shell Scripting (Unix/Windows) - Proficient in any of the following programming languages: Java, Python or Rust. - Fundamental understanding of private or public cloud ecosystems and CI/CD practices. - Demonstrate the ability to articulate and communicate effectively to diverse audiences, properly translate security and risk management terminology into business terms, and recommend alternative solutions to these stakeholders. - BS in Computer Science or related technical field or equivalent practical experience. - Working experience in a continuous integration development environment, preferably Jenkins. - Experience in secure software development. Under the Compensation tab, select "Salary Structures." Within the text of "Salary Structures," click on the link "salary structures 2025," through which you will be able to access the salary ranges for each Mastercard job family. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.Do not include any medical or health information in this email. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: + Abide by Mastercard's security policies and practices; + Report any suspected information security violation or breach, and + In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; S. observed holidays; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement;

AI/Computer Vision Engineer - Cambridge, Boston (Hybrid) Join an elite innovation team driving next-generation medical robotics and AI solutions. This cutting-edge group focuses on early-stage breakthrough projects, transforming novel ideas into scalable, impactful technologies. Your Role: Develop advanced algorithms and software in a regulated medical environment. Design ML-based solutions for digital insights from medical imaging and robotic data. Define requirements, create test protocols, and support validation of new features. Collaborate with multidisciplinary teams across research, clinical science, regulatory, and business functions. Stay ahead of MedTech and AI advancements while contributing to intellectual property development. Work in state-of-the-art R&D labs in Cambridge, Massachusetts. You're the Right Fit If You: Have a strong background in machine learning, computer vision, and medical image analysis. Hold a Master's (3+ years of experience) or PhD in Computer Science, Biomedical Engineering, Robotics, or a related field. Are experienced with medical imaging technologies, image-guided therapy, and regulated medical device development. Possess exceptional programming skills (Python required, C++ preferred). Are self-motivated, adaptable, and excel in communication and problem-solving. This is a unique opportunity to shape the future of medical robotics and AI in a confidential, high-impact environment.

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer (Java, Hadoop) Our Purpose We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team - one that makes better decisions, drives innovation and delivers better business results. Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview Be part of MasterCard's Decision Management Platform, which serves as the decisioning engine for multiple business solutions to combat fraud and validate cardholder identity. Our patented Java-based platform processes billions of transactions per day in tens of milliseconds using a multi-tiered, message-oriented approach for high performance and availability. Have you ever wanted to be a part of something BIG? Do you have experience integrating new and emerging technologies into existing environments as technologies evolve and demands change? In this role, you can make an immediate impact for a Leading Global Technology Company, MasterCard. The Senior Software Engineer role is responsible for working with teams across the company to implement new data solutions while maintaining the stability of the platform. You'll work within the Fraud Data Engineering team to grow their knowledge and expertise. You will get the chance to work with extremely large data sets and be on the cutting edge of transforming the way Mastercard captures, processes, stores and visualizes transactional data. We're looking for a highly skilled and passionate engineer who thrives at the intersection of customer needs, business goals, and cutting-edge technology. The ideal candidate is not only technically proficient but also deeply curious, collaborative, and committed to delivering impactful solutions. Key Responsibilities -6-8 years of experience in software application development, with a strong foundation in programming. -Minimum 5 years of hands-on experience in Java or Scala. -At least 3 years of experience working with Hadoop platforms. -Solid understanding of software engineering principles, including object-oriented design and microservices architecture. -Proven expertise in building data processing applications using Scala and Python 3.10+. -Strong grasp of design patterns, clean code practices, and writing maintainable, scalable software. -Experience developing container-based applications in a microservices environment. -Passion for learning and mentoring, with a collaborative mindset and eagerness to grow technical skills. -Deep knowledge of Big Data platforms such as Databricks, Cloudera, Teradata, and the underlying Hadoop architecture. -Creative problem-solver with a startup mentality and enthusiasm for tackling complex data and algorithmic challenges. -Proficient with Git or similar version control systems. -Committed to building high-quality, robust, and scalable software, with experience in CI/CD, test automation, and monitoring/alerting. -Comfortable working in a high-performing Agile team. -Excellent communication and interpersonal skills. Preferred Qualifications -Experience with relational and NoSQL databases, including query optimization and performance tuning. -Hands-on experience with Spark 3.x and building large-scale batch data -pipelines on Hadoop clusters. -Familiarity with messaging systems like Kafka and reactive architecture paradigms. -Experience designing fault-tolerant, high-availability systems. -Background in data modeling and building data dictionaries for big data environments. -Exposure to cloud platforms such as Azure, AWS, or IBM Cloud (in order of preference). -Knowledge of secure software development, including tools like Checkmarx. -Experience with data analytics platforms, workflow engines, and UNIX shell scripting. -1-2 years of experience in software architecture and mentoring junior engineers. Skills & Attributes -High energy, detail-oriented, and proactive with the ability to work independently under pressure. -Strong initiative and self-motivation to drive results. -Excellent verbal and written communication skills. -Strong collaboration and organizational abilities. -Willingness to embrace challenges and work within a matrixed, geographically distributed team. About Mastercard In the US, Mastercard is an inclusive Equal Employment Opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. If you require accommodations or assistance to complete the online application process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices. Ensure the confidentiality and integrity of the information being accessed. Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. #LI-KC Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $115,000 - $184,000 USD

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Principal Software Engineer, Data Architecture Overview: Mastercard's Data & Analytics is seeking a visionary and results-oriented Senior Principal Software Engineer, Data Architecture to lead the design and evolution of Mastercard's enterprise data architecture. This foundational technical role is responsible for defining how data is collected, organized, governed, and distributed across Mastercard's global infrastructure. Reporting to the EVP of Data & Analytics, this engineer will shape architectural frameworks and standards that drive product innovation, operational excellence, and regulatory compliance across a hybrid cloud environment. The Mastercard's Data & Analytics organization is undergoing a bold transformation to modernize our global data ecosystem-unlocking value through secure, scalable, and compliant data capabilities. Role: Data Architecture Strategy & Execution • Lead the design and execution of Mastercard's enterprise data architecture across a complex, global ecosystem. • Drive modernization from legacy and on-prem systems to modern, cloud-native, and hybrid data platforms. • Architect scalable, secure data solutions that meet evolving regulatory requirements (e.g., ISO 20022, data localization, GDPR). • Create reusable, domain-oriented data models that promote consistency, interoperability, and self-service across business units. • Define and implement architectural patterns supporting both real-time and batch data processing across relational and non-relational systems. • Champion adoption of modern data principles including Data Mesh, data products, and federated governance. Governance, Alignment & Agile Integration • Serve as a key technical leader on the Data & Analytics Architecture Review Board to ensure alignment across programs and domains. • Collaborate with Mastercard's Architecture, Security, and Engineering organizations to embed data architecture into enterprise-wide standards. • Apply Agile methodologies to data architecture initiatives, enabling iterative delivery, rapid feedback, and cross-functional collaboration. • Represent Data & Analytics in enterprise architecture councils, steering committees, and executive planning forums. Cross-Functional Leadership & Mentorship • Lead and scale technical excellence by mentoring engineers, architects, and technical experts across distributed systems, cloud platforms, and data modeling. • Act as a trusted advisor to business, product, and engineering leaders-bridging technical strategy with enterprise priorities. • Build relationships and communicate effectively with internal and external stakeholders, including senior executives, to influence data-driven strategies and decisions. All About You: • Proven experience as a Senior Principal Engineer or equivalent in enterprise data architecture, data engineering, or data platform strategy. • Deep expertise in building and modernizing distributed data platforms using technologies such as Apache Spark, Kafka, Flink, NiFi, and Cloudera/Hadoop. • Hands-on proficiency with modern data platforms and tools including Databricks, Snowflake, Delta Lake, and Redshift. • Experienced in designing and operating real-time and batch data pipelines in hybrid and cloud-native environments (AWS, Azure, GCP). • Knowledge of Data Mesh principles, federated governance, and data product lifecycle management. • Experience working in Agile environments, leveraging modern delivery practices like Scrum, SAFe, or product-centric models. • Track record of leading large-scale data transformations and platform modernization initiatives in regulated industries such as Payments, Fintech, or Banking. • Understanding of card data flows, merchant ecosystems, and frameworks including ISO 20022 and data localization mandates. • Demonstrated ability to influence technical and business decisions at all levels, including C-suite stakeholders. • Strong executive presence with the ability to translate complex architecture concepts into business language. • Experience mentoring and leading global, cross-functional teams of high-performing technical talent. • Bachelor's degree in Computer Science, Data Engineering, Information Systems, or a related technical field required. This role is not eligible for Mastercard's work authorization sponsorship. As such, candidates must be eligible to work in the United States, now as well as in the future, without employer sponsorship. #LI-NF1 Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Pay Ranges Arlington, Virginia: $230,000 - $368,000 USD Boston, Massachusetts: $230,000 - $368,000 USD Miami, Florida: $200,000 - $320,000 USD Purchase, New York: $230,000 - $368,000 USD

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential._ **Lead Software Engineer Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Diverse agile team working on the Smart Interface product which is a set of APIs that allow Mastercard customers to participate in the 3-D Secure ecosystem. The 3-D Secure authentication protocol is based on a three-domain model where the Acquirer and Issuer are connected by the Interoperability Domain for the purpose of authenticating a Cardholder during an electronic commerce (e-commerce) transaction or to provide identity verification and account confirmation. We support e-commerce (browser and in app) transactions from around the world. This position serves as a technical leader within a team tasked with guiding the design, development, and delivery of significant cross-departmental initiatives that have a wide scope and long-term business impact. Candidates must be able to obtain a deep technical understanding of the applications/systems that they are working on and must be willing to dig in and ask challenging questions to make sure that plans are executed efficiently. Demonstrate active learning and sharing of software practices via Guild/Engineering community initiatives Provide technical design and architecture advice to internal teams on securely developing and building applications and supporting systems Regularly communicate with management about risk analysis and design trade-offs. Identify performance bottlenecks and come up with novel ways to solve them. Demonstrate a profound mastery of software engineering concepts and practices across all phases of the software development lifecycle, showcasing an exceptional breadth of knowledge and insight. Hand-on experience in Shell Scripting (Unix/Windows) Proficient in any of the following programming languages: Java, Python or Rust. Fundamental understanding of private or public cloud ecosystems and CI/CD practices. Demonstrate the ability to articulate and communicate effectively to diverse audiences, properly translate security and risk management terminology into business terms, and recommend alternative solutions to these stakeholders. BS in Computer Science or related technical field or equivalent practical experience. Working experience in a continuous integration development environment, preferably Jenkins. Experience in secure software development. Under the Compensation tab, select "Salary Structures." Within the text of "Salary Structures," click on the link "salary structures 2025," through which you will be able to access the salary ranges for each Mastercard job family. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.Do not include any medical or health information in this email. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Report any suspected information security violation or breach, and In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; S. observed holidays; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement;