Senior engineer jobs in Middleborough, MA - 3,992 jobs

Come join a creative team of scientists and engineers on the forefront of beverage innovation! This team is dedicated to growing the category by pushing the boundaries of beverage development and delivery to satisfy every consumer need. Years ago, the coffee industry was revolutionized with the launch of the Keurig brewing system, allowing consumers to brew one cup of coffee on demand. Now with the power of Keurig Dr Pepper, join a new challenger in the beverage industry and let's discover the possibilities! The Senior Engineer will lead coffee processing and extraction development, author specifications for processing systems, and support equipment selection in partnership with Engineering. This role is critical to driving innovation and operational excellence in coffee processing. As part of the KDP coffee processing team, the Senior Engineers provide high level strategic recommendations for the company's coffee processing capabilities, while also supporting NPD and leading system improvements in manufacturing, quality, cost, and safety. This position partners closely with internal cross functional teams such as project management, engineering, quality, marketing, safety, environmental and operations resources, and external partners. The Senior Engineer in this position will be expected to provide leadership and guidance to fellow scientists, to co-manufacturing research teams, and to in-house operational team members. This position requires strong skills in critical thinking, collaboration, consumer insights, and the ability to positively influence project direction. This includes product scale up, specifically of coffee extraction & coffee processing unit operations, test methods development, communication with key suppliers, partners, and specifications development. Intimate knowledge and demonstrated application of extraction techniques and core coffee processing science are critical for success in this role; knowledge of particle engineering, formation, solids handling, and processing are a plus. ESSENTIAL DUTIES AND RESPONSIBILITIES: Research in knowledge-base and active development of coffee extraction methodologies (lab and commercial scale) Defining coffee processing requirements to deliver new product specifications Evaluate proposed improvements to existing coffee processes Strategic planning for coffee processing capabilities required at lab scale as necessary Evaluating latest coffee processing innovation & recommending any to assess further; in partnership with Engineering, making long-term recommendations for manufacturing network capabilities Generation of process flow diagrams Creation of business proposals to demonstrate and evaluate various project options Provide technical support for commissioning, qualification and verification (CQV) processes Utilize statistical data analysis for data driven decision making Coach junior team members and grow technical capability across the team Total Rewards: Salary Range: $76,400 - $130,000 Actual placement within the compensation range may vary depending on experience, skills, and other factors Benefits, subject to election and eligibility: Medical, Dental, Vision, Disability, Paid Time Off (including paid parental leave, vacation, and sick time), 401k with company match, Tuition Reimbursement, and Mileage Reimbursement Annual bonus based on performance and eligibility Requirements: B.S. in food science / engineering discipline with 10+ years of experience, M.S. with 7+ years of experience, Ph.D. with 2-4 years of experience. Knowledge and experience in coffee processing with specific experience in the food industry (especially in coffee beverages) required, including practical experience across green coffee cleaning, roasting, degas, grinding, and flavoring Knowledge of coffee extraction phenomena and rate kinetics, including extraction at a commercial scale Knowledge of design requirements related to food safety, including SQF, FDA, GMP Hands-on experience with process development, startup and commissioning Strong statistical capability Ability to travel as required (up to 50% of the time) Particle science experience a plus: Knowledge and experience with food processes such as blending, spray drying, drying, compaction, high shear agglomeration, fluid bed agglomeration, and extrusion. Knowledge and experience with bulk solids and material handling, including pneumatic conveying and dust collection is preferred Knowledge and experience in preparation of PFD's, P&ID's Knowledge and experience in modeling unit operation processes, including parameter estimation and material modeling. Company Overview: Keurig Dr Pepper (NASDAQ: KDP) is a leading beverage company in North America, with a portfolio of more than 125 owned, licensed and partners brands and powerful distribution capabilities to provide a beverage for every need, anytime, anywhere. We operate with a differentiated business model and world-class brand portfolio, powered by a talented and engaged team that is anchored in our values. We work with big, exciting beverage brands and the #1 single-serve coffee brewing system in North America at KDP, and we have fun doing it! Together, we have built a leading beverage company in North America offering hot and cold beverages together at scale. Whatever your area of expertise, at KDP you can be a part of a team that's proud of its brands, partnerships, innovation, and growth. Will you join us? We strive to be an employer of choice, providing a culture and opportunities that empower our team of ~29,000 employees to grow and develop. We offer robust benefits to support your health and wellness as well as your personal and financial well-being. We also provide employee programs designed to enhance your professional growth and development, while ensuring you feel valued, inspired and appreciated at work. Keurig Dr Pepper is an equal opportunity employer and recruits qualified applicants and advances in employment its employees without regard to race, color, religion, gender, sexual orientation, gender identity, gender expression, age, disability or association with a person with a disability, medical condition, genetic information, ethnic or national origin, marital status, veteran status, or any other status protected by law.

About the role At Parallel Fluidics, we are building infrastructure to power the next generation of life science tools. As our Principal Mechanical Engineer, you will lead our most mission‑critical engineering projects, set the standard for technical excellence, and shape the processes that drive our product development and manufacturing. The ideal candidate is a proven engineering leader with deep expertise in electromechanical system design, design‑for‑manufacturing, and automation. Please apply if you are excited to create an outsized impact by driving breakthrough products from concept to scale at a rapidly growing startup. Responsibilities Engineering leadership Serve as principal architect of the engineering process at Parallel Lead our most mission‑critical engineering projects Act as a technical expert on other internal projects Identify opportunities to improve our engineering systems and tools Mentor junior and senior engineers across disciplines Report progress and key insights to company leadership Product development Own the process to bring Parallel's next‑generation hardware products from concept to scale Identify and vet high‑volume manufacturing partners Transfer high‑volume products from in‑house manufacturing to third‑party manufacturers Manufacturing systems Find opportunities to improve our in‑house designed manufacturing equipment Design experiments and test methods to optimize manufacturing processes Collaborate with the manufacturing team to identify gaps and opportunities for improvement Qualifications Required Bachelor's Degree in Mechanical Engineering or a related field 10+ years of experience in high‑performing engineering organizations Strong understanding of product development, design‑for‑manufacturing, machine design, and automation Proven track record of bringing electromechanical systems to market Excellent communication and project management skills Expertise in 3D CAD software (e.g., SolidWorks, Autodesk Fusion, or equivalent) Preferred Familiarity with cleanroom environments and microfabrication processes Knowledge of regulatory and safety standards for laboratory instrumentation Experience building microfluidic technologies What We Offer A collaborative and innovative work environment where your ideas shape our future. Opportunities to work on groundbreaking technologies in life sciences and microfluidics. Comprehensive benefits, including health, dental, vision, and life insurance coverage. Equity options to share in the company's growth and success. We value diversity of all kinds and are committed to building a diverse and inclusive workplace where we learn from each other. We are an equal‑opportunity employer and welcome people of all different backgrounds, experiences, and perspectives. #J-18808-Ljbffr

A leading investment firm in Boston is looking for a Principal Front-Office Engineer to drive the design and implementation of applications for market analysis. You will work closely with portfolio analysts and traders, focusing on building robust systems that enhance investment decisions. The ideal candidate has over 5 years of experience in Python development and strong skills in financial data manipulation. This position offers a hybrid work arrangement, with 2 days in the office per week. #J-18808-Ljbffr

A leading health solutions company in Boston is seeking an AI Lead to oversee the development and deployment of AI and Machine Learning solutions. The role involves strategic planning, technical oversight, and collaboration with cross-functional teams. Candidates should have a Bachelor's degree and significant experience in AI/ML technologies. The compensation is competitive with comprehensive benefits and opportunities for bonuses. #J-18808-Ljbffr

This position analyzes security engineering solutions, framework, roadmap, program optimization, process engineering, risk remediation, and mitigation of operational risk in a high-velocity culture by introducing technology, requirements, deliverables, gaps and systems design. Analyzes competitive strategies, cyber technologies, metrics models, and performance indicators. Position Compensation Range: $111,000.00 - $189,000.00 Pay Rate Type: Salary Compensation may vary based on the job level and your geographic work location. Relocation support is offered for eligible candidates. Primary Accountabilities Develops, integrates, and tests cyber products. Researches, engineers, and integrates new security solutions. Performs cyber defense incident triage, including determining scope, urgency, and potential impact, identifying the specific vulnerability. Builds strong relationships with peers across functions through collaborative engineering operations and initiatives. Designs and implements automated solutions to enable security needs. Designs and develops system-security measures to ensure cybersecurity is fully integrated. Validates current and future-state architectural models to assess impact across all cybersecurity technology systems. Develops enterprise tools and applications to manage access to enterprise data, systems and resources. Analyzes security access risk gaps and recommends mitigating and compensating security controls. Specialized Knowledge & Skills Requirements Python programming with experience in audit/compliance Interest in and experience with data analysis. XSOAR experience desired. Demonstrated experience providing customer-driven solutions, support or service. Solid knowledge and understanding of software engineering architectures, system/software designs, and system deployments. Solid knowledge and understanding of Cyber Security, Cyber Engineering, Computer Science, Software Engineering. Solid knowledge and understanding of security technologies and application development methodologies. Demonstrated experience performing cyber threat analysis and incident response. Working knowledge of penetration testing. Solid knowledge and understanding of directory services and identity stores. Licenses: Not Applicable. Travel Requirements: Up to 10%. Physical Requirements: Work that primarily involves sitting/standing. Working Conditions: Not Applicable. Additional Information Offer to selected candidate will be made contingent on the results of applicable background checks. Offer to selected candidate is contingent on signing a non-disclosure agreement for proprietary information, trade secrets, and inventions. Sponsorship will not be considered for this position unless specified in the posting. In this flex office/home role, you will be expected to work a minimum of 10 days per month from one of the following office locations: Highly preferred - Boston, MA 02110 / Secondary location-Madison, WI 53783; Candidates must reside within a 50-mile radius of the office location (or 35-mile radius for Boston) Internal candidates are encouraged to apply regardless of location and will be considered based upon the needs of the role. We provide benefits that support your physical, emotional, and financial wellbeing. You will have access to comprehensive medical, dental, vision and wellbeing benefits that enable you to take care of your health. We also offer a competitive 401(k) contribution, a pension plan, an annual incentive, 9 paid holidays and a paid time off program (23 days accrued annually for full‑time employees). In addition, our student loan repayment program and paid‑family leave are available to support our employees and their families. Interns and contingent workers are not eligible for American Family Insurance Group benefits. We are an equal opportunity employer. It is our policy to comply with all applicable federal, state and local laws pertaining to non‑discrimination, non‑harassment and equal opportunity. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. American Family Insurance is committed to the full inclusion of all qualified individuals. If a reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please email *************** to request a reasonable accommodation. #J-18808-Ljbffr

A dynamic tech startup in Boston is seeking a core engineer to join a tight-knit team. The ideal candidate has 5-10+ years of experience with Ruby on Rails, LLMs, and can navigate both backend and frontend tasks. You will play a crucial role in building large applications, integrating AI models, and driving product iterations. Ideal for someone who thrives in fast-paced environments and values ownership, this position offers competitive compensation and stock options. #J-18808-Ljbffr

Prudentia Sciences is an AI-powered technology platform transforming how biopharma, biotech, and life sciences investors approach portfolio management, due diligence, and value/risk simulation. Our platform accelerates investment in breakthrough therapies by: Empowering biopharma to accelerate drug pipelines, maximize ROI, and achieve clinical and commercial success for greater patient impact Enabling strategic positioning of asset value during portfolio planning and dealmaking Equipping investors with data-driven insights to optimize capital allocation in drug asset transactions Backed by GV (Google Ventures), Iaso Ventures, and Virtue, we're on a mission to unlock the full potential of pharmaceutical R&D by empowering decision-makers with real-time, data-driven insights. We're looking for a driven, hands-on ML/AI Engineer to help us push the boundaries of what's possible in AI-driven drug development. You'll work on production-grade LLM-based systems, knowledge graphs, and machine learning pipelines-turning prototypes into powerful tools that make a real-world impact. You'll collaborate across teams to design, build, and deploy intelligent systems that enhance how life sciences organizations make critical decisions. If you love working on technically challenging problems with direct impact in healthcare-this is the role for you. This is a remote-first position, but we'd love it if you're based in or near Boston. What You'll Do: Design and Deploy LLM Systems: Develop scalable, production-ready LLM applications using frameworks like LangChain/LangGraph. Build robust RAG pipelines and integrate knowledge graphs for biological and clinical data. Full-Stack AI Engineering: Write maintainable, high-performance code and build clean APIs and services for machine learning applications. Data Engineering Collaboration: Work with data engineers to build and optimize data workflows and pipelines for high-quality data ingestion and processing. Product-Focused Prototyping: Collaborate with product and domain teams to rapidly prototype AI solutions, iterate based on feedback, and scale models for production. Model Deployment & MLOps: Use modern MLOps tools to deploy and monitor models in production environments (AWS preferred). Ensure scalability, observability, and resilience. Collaborative Innovation: Partner with engineering, data, and business teams to identify and develop high-value AI/ML applications. Continuous Learning: Stay ahead of the curve on emerging ML frameworks, GenAI capabilities, and healthcare technologies. What We're Looking For:Core Qualifications: Education: Bachelor's, Master's, or Ph.D. in Computer Science, Data Science, Engineering, or a related field. Hands-on AI Experience: Proven ability to build, train, and deploy ML and NLP models, especially those powered by LLMs and transformer architectures. LLM & LangChain Experience : Practical experience working with frameworks like LangChain for applications such as Q&A systems, chatbots, or document automation. Software Engineering: Strong coding skills in Python and experience using Git/GitHub and CI/CD practices. Data Engineering Know-how: Comfort working with ETL pipelines, relational and non-relational databases, and data platforms like Snowflake or Databricks. Big Data & ML Frameworks: Familiarity with Big Data tools (e.g., Apache Spark) and experience orchestrating data workflows using tools like Apache Airflow. Cloud & MLOps: Experience with deploying ML models in cloud environments (AWS, GCP, or Azure) and using containerization/orchestration tools like Docker and Kubernetes. Soft Skills: Strong problem-solving skills and an analytical mindset. Passion for continuous learning, rapid prototyping, and iterating based on user needs. Autonomous, self-starter attitude with a strong sense of ownership. Excellent communication skills-able to explain technical ideas clearly to non-technical audiences. Collaborative team player with a desire to build things that truly matter. Bonus: Experience in healthcare, life sciences, or biopharma sectors (preferred but not required). Why Join Us? Make a tangible impact on drug development and patient outcomes. Work with a passionate, mission-driven tackling complex challenges. Enjoy flexibility and autonomy in a remote-first culture. Competitive salary, equity, and benefits. Opportunity to grow with a fast-moving, well-funded startup backed by top-tier investors. What We Offer Impact: Your work directly enables breakthrough therapies to reach patients faster Ownership: Build and lead the customer success function as a foundational leader Growth: Shape customer experience during a critical scaling phase Compensation: Competitive salary, performance bonus, and equity Location We are a remote-first company, but looking for team members to be located in the Northeast (Boston, New York, DC, etc.) Remote (New York, New York, US) Remote (Washington, District of Columbia, US) #J-18808-Ljbffr

An innovative tech company is seeking a Senior Mobile Engineer to drive the development of cutting-edge mobile applications for its vehicle intelligence platform. In this pivotal role, you will collaborate across teams to create a responsive mobile experience that supports real-time public safety efforts. Ideal candidates have extensive experience in mobile application development, especially related to video streaming and IoT connectivity, and will thrive in a fast-paced environment committed to fostering diverse perspectives and promoting safety in society. #J-18808-Ljbffr

Principal Product Development Engineer to join a team of scientists and engineers located in our Boston, MA Research and Development Systems Engineering Laboratory contributing to the design and development of an in vitro diagnostic (IVD) device. This role involves applying advanced scientific principles and creating reliable, accurate, and regulatory-compliant clinical diagnostic solutions in whole blood hemostasis testing. The focus of this position will be to evaluate and develop novel assay designs to drive innovative solutions to complex issues. This individual will be both a leader and collaborator within the multidisciplinary development project team to ensure timely and proficient completion of projects in a fast-paced and evolving environment. The ideal candidate will have a strong background in bioengineering, biochemistry, analytical chemistry, or similar fields combined with experience in assay development and device integration. We are seeking a highly skilled and innovative **Key Responsibilities** Perform analytical performance studies to ensure product requirements are met.Work with the clinical science team to write clinical trial protocols and reports.Contribute to the management of the laboratories including tracking calibrations, environmental monitoring, safety hazards, and other tasks, as required.Exhibit highly effective communication and collaboration skills that can be applied across functions. **Qualifications** **Education:** Ph.D. or M.S. in Bioengineering, Biochemistry, Analytical Chemistry, or related field. **Experience:** Experience developing and optimizing assays on disposable microfluidic or cartridge-based platforms.Experience in reagent formulation and stabilization for microfluidic applications (small-volume drying, bead-based reagents, in-channel drying, long-term stability on plastic substrates).- **Preferred Experience**Hands-on experience with developing assays or diagnostic platforms.Experience with data analysis software and statistical tools. **Skills:** Strong knowledge of biochemical, reagent-driven, clinical diagnostics.Familiarity with regulatory requirements (FDA, CLSI, IVDR, ISO standards).Excellent problem-solving, project management, and communication skills.Depending on your location, you may be eligible for more detailed information related to the compensation and benefits related to this job posting. If you believe you may be entitled to such information by law, you may contact **************, Monday through Friday, 7:30 a.m. - 5 p.m. ET or email *********************. #J-18808-Ljbffr

Title: Lead Full Stack Engineer Reporting Structure: This role reports to the Head of Product & Engineering CivilGrid is a venture-backed SaaS construction tech company building the "Google Maps for the Underground." Come help us disrupt a $4.7T US industry segment that desperately needs innovation. This opportunity has tremendous upside as it scales. CivilGrid aggregates public and proprietary utility, geotechnical, environmental, and jurisdictional data. The consolidated information is sold via our collaborative SaaS mapping platform to engineers and developers who need it to make early-stage decisions on real estate and infrastructure projects. Real time data access reduces labor and project delays, accelerates decision making and reduces project risk. Collaborative features ensure faster information flow and decisioning inside and outside the organization and better project insight retention over time. Responsibilities As a small team, we all wear many hats and enjoy tackling new challenges. When it comes to tech, we're seeking experienced individuals who can efficiently identify problems and devise solutions. You will be a foundational team member with the opportunity to work on all aspects of the application and shape the technical future of CivilGrid. Joining at this stage, you will build core systems that will help us scale quickly, and benefit from tremendous upside as we grow. Design and build end-to-end features, covering everything from database models to user-facing components using React. Tackle a variety of areas: web and mobile applications, mapping interfaces, data processing pipelines, algorithmic relevancy, and real-time collaboration tools. Profile and tune performance across the entire stack to ensure efficient and responsive systems. Implement and maintain analytics, health monitoring, alerts, and logging to maintain operational visibility and system reliability. Conduct code reviews, mentor junior engineers, and offer constructive feedback to help grow the team's technical capabilities. Is this you? 5 years of experience working with JavaScript or TypeScript, particularly with React and Node.js (or equivalent frameworks). Comfortable driving 0→1 development-taking projects from conception through to production launches. Start Up Ready: Autonomous, moves fast, takes initiative without being asked Thrives in greenfield environments and enjoys architecting, designing, and execution of new systems and solutions. Experience working on a complex B2B Product Strong foundational knowledge of Postgres Familiarity with geospatial frameworks (PostGIS, GeoJSON, map rendering libraries, etc.) is a plus. Conduct code reviews, mentor junior engineers, and offer constructive feedback to help grow the team's technical capabilities. Strong verbal and written communication, able to articulate ideas clearly and collaborate effectively. Must be authorized to work in the United States Bonus Qualification: A degree in Computer Science, Civil Engineering, or a related field (B.S. or M.S.)-nice to have, but not required. Perks Interesting and challenging work Lots of room for growth Competitive salary and equity Health insurance Flexible and remote-friendly work environment FSA (health and dependent care) Unlimited PTO #J-18808-Ljbffr

A defense technology company in Boston is seeking a hands-on leader to architect a scalable simulation environment, leveraging multi-threaded C++ and AI. Responsibilities include designing physics simulations, collaborating with teams, and mentoring developers. Candidates should have a Master's in a related field and relevant experience with a Secret clearance. Benefits include comprehensive healthcare, a 401k plan, and a flexible hybrid work arrangement. #J-18808-Ljbffr

A systematic investment firm in Boston is seeking a Senior AI Software Engineer to design and develop innovative AI solutions. Candidates should have substantial experience with Python and machine learning, alongside strong analytical and collaboration skills. The role involves integrating diverse data sources and optimizing AI systems for performance and scalability. This position offers a competitive salary range between $115,000 and $325,000 per year. #J-18808-Ljbffr

A leading cybersecurity firm is seeking a Senior Java Engineer to design and develop secure cloud-native SaaS solutions for the RSA ID Plus platform. This role requires over 5 years of experience in Java, alongside hands-on skills in developing cloud-native applications. The engineer will work closely with a team to enhance performance, reliability, and security of IAM products. The ideal candidate should have a solid understanding of distributed systems and experience with CI/CD pipelines. Competitive pay and comprehensive benefits offered. #J-18808-Ljbffr

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you're a close but not exact match with the description, we hope you'll still consider applying. Want to learn more about life at Klaviyo? Visit careers.klaviyo.com to see how we empower creators to own their own destiny. Be Klaviyo's senior IC for scale, you will report into a VP of Engineering and lead performance, reliability, multi‑region, and large‑tenant readiness. You'll drive platform‑wide architectural change, hunt bottlenecks and optimize systems, and partner across teams to productionize improvements. Given that this is an IC role with no direct reports; you will lead via technical depth, hands‑on impact, and crisp cross‑org alignment. What You'll Do Define enterprise scalability fitness functions (latency/throughput/error rates) and a scorecard; align teams to SLOs and budgets. Design/implement sharding and partitioning strategies, caching/back‑pressure, multi‑region readiness, and high‑volume migration paths. Build lightweight enablement: benchmarks, profiling harnesses, reproducible testbeds; pair with teams to land fixes. Lead scalability reviews and readiness gates that accelerate-not block-delivery; drive incident deep dives tied to systemic fixes. Communicate clearly to execs and engineers, tying technical work to business impact and customer outcomes. Integrate AI into scale and resiliency work-from proactive anomaly detection to synthetic load and guided runbooks-so performance improvements stick and incidents don't repeat. Who You Are Experience: 12+ years scaling multi‑tenant SaaS with a reputation for removing major bottlenecks and proving impact with data. Technical expertise: Performance engineering, capacity planning, sharding/partitioning, caching/back‑pressure, multi‑region readiness, and high‑volume migrations; you turn hotspots into robust patterns. AI tools & automation: You apply AI to scale work-profiling assistance, workload modeling, synthetic traffic generation, anomaly detection, and runbook copilots-always with explicit guardrails and observability. Cross‑org influence: You align teams through fitness functions, scorecards, and readiness gates that accelerate-not block-delivery; you communicate tradeoffs crisply to execs and engineers. AI fluency: Curious, adaptable, and proactive in exploring AI that responsibly improves scale outcomes. Nice to Haves Scale scorecard: Company‑wide fitness functions (latency/throughput/error rates) are adopted and reviewed regularly. High‑impact wins: 2-3 bottlenecks removed with documented, reproducible testbeds; pXX latencies and error rates improve on top enterprise workloads; repeat P0s trend down. AI‑assisted scale engineering: AI‑driven anomaly detection reduces alert noise while improving signal; generative load testing and copilot runbooks are used in release/readiness checks for the top critical services; time‑to‑isolate regressions drops 20-30%. Success in 6-12 Months Company‑wide scale scorecard in place; 2-3 high‑impact bottlenecks removed; top enterprise workloads show improved pXX latencies and error rates; fewer repeat P0s. We use Covey as part of our hiring and / or promotional process. For jobs or candidates in NYC, certain features may qualify it as an AEDT. As part of the evaluation process we provide Covey with job requirements and candidate submitted applications. We began using Covey Scout for Inbound on April 3, 2025. Please see the independent bias audit report covering our use of Covey here Massachusetts Applicants: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Get to Know Klaviyo Base Pay Range For US Locations: $248,000 - $372,000 USD We're Klaviyo (pronounced-vee-oh). We empower creators to own their destiny by making first‑party data accessible and actionable like never before. We see limitless potential for the technology we're developing to nurture personalized experiences in ecommerce and beyond. To reach our goals, we need our own crew of remarkable creators-ambitious and collaborative teammates who stay focused on our north star: delighting our customers. If you're ready to do the best work of your career, where you'll be welcomed as your whole self from day one and supported with generous benefits, we hope you'll join us. AI fluency at Klaviyo includes responsible use of AI (including privacy, security, bias awareness, and human‑in‑the‑loop). We provide accommodations as needed. Klaviyo is committed to a policy of equal opportunity and non‑discrimination. We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex (including pregnancy), gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law. IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously. We will never ask for payment, bank details, or personal financial information as part of the application process. All our legitimate job postings can be found on our official career site. Please be cautious of job offers that come from non‑company email addresses (@klaviyo.com), instant messaging platforms, or unsolicited calls. By clicking "Submit Application" you consent to Klaviyo processing your Personal Data in accordance with our Job Applicant Privacy Notice. If you do not wish for Klaviyo to process your Personal Data, please do not submit an application. You can find our Job Applicant Privacy Notice here and here (FR). #J-18808-Ljbffr

PromptWell is an AI-native healthcare engagement company that revolutionizes how health plans, providers, and healthcare organizations connect with patients. By automating the healthcare digital marketing stack, PromptWell delivers personalized and dynamic outreach that drives impactful patient engagement. The platform leverages healthcare-specific intelligence, proprietary data, and human-centered design to create tailored and scalable experiences. With a focus on improving member engagement, satisfaction, and program utilization, PromptWell ensures timely and relevant communication across multiple channels, including email, SMS, and direct mail. Headquartered in Boston, PromptWell is dedicated to enhancing healthcare outcomes through innovative technology and meaningful patient journeys. Role Description We're looking for a motivated Test Automation Engineer to help build and maintain our testing infrastructure at PromptWell. As an early member of our engineering team, you'll own most of our testing strategy and infrastructure, help establish best practices that will scale with our company. This is a unique opportunity to shape our quality culture and make architectural decisions that will impact our product for years to come. Responsibilities Build and maintain CI/CD pipelines integrating automated testing across testing and production environments Establish testing infrastructure including test environments, data management, and monitoring systems Create and maintain automated test suites for API, UI, integration, and performance testing Develop testing standards and documentation Collaborate directly with developers to integrate testing early in the development lifecycle Evaluate and select testing tools, frameworks, and third-party services Skills we're looking for: 3+ years of experience in test automation and QE infrastructure Strong NodeJS and Typescript knowledge Proven experience building test automation frameworks from scratch Experience with GitHub actions and other CI/CD tools Experience NodeJS testing frameworks, specifically Playwright and Jest Basic knowledge of cloud platforms such as AWS Experience with API testing tools (Postman, etc.) Experience with NoSQL databases Self-starter mentality with ability to work autonomously Nice to Haves: Experience in early-stage startups Experience with Firebase and/or Heroku Strong Python knowledge Knowledge of security testing tools and practices Our Stack: React, Typescript, Python, MongoDB, Playwright, NextJS, PostgreSQL Job Type: Full-time Location: Hybrid/Remote

A leading cybersecurity firm is seeking a Senior Sales Engineer to join their team in the United States. The role involves supporting the sales team in aligning customers with security solutions, conducting product demonstrations, and engaging with clients throughout the pre-sales process. Candidates should have expertise in IT security solutions, strong presentation skills, and a commitment to fostering teamwork. This position offers an opportunity to make a significant impact in a dynamic and collaborative environment. #J-18808-Ljbffr

A national construction enterprise in Boston is looking for a SharePoint and Power Platform Developer. This role involves designing and developing applications using SharePoint Online and the Power Platform suite, as well as collaborating with stakeholders to create solutions that solve business problems. The ideal candidate has over 5 years of experience and a strong background in related technologies. The company offers a comprehensive compensation package, including competitive salaries and various benefits. #J-18808-Ljbffr

Arbor helps renters, homeowners, and small businesses pay less for electricity. Behind the scenes, Arbor is building an intelligent electricity marketplace to power an abundant electric future. As AI data centers drive a surge in electricity demand, millions of homes and businesses remain trapped with 20th century monopoly interfaces, overpaying by billions while cheap renewable energy goes to waste. Our AI-powered platform aggregates users to unlock wholesale pricing, automatically switches between the best rates, and optimizes usage to align with prices in real-time-delivering the same market advantages that were previously exclusive to Fortune 500 companies. We've raised over $20 million from leading investors and have saved over $7.5 million for tens of thousands of homes and businesses. The Opportunity We're looking for a backend-focused engineer to join our lean, high-leverage engineering team building the infrastructure that powers our energy marketplace. You'll work across our platform-from rate monitoring systems that track complex utility pricing across deregulated markets, to the marketplace orchestration that matches customers with optimal suppliers. This is a high-ownership role where you'll ship production systems, not just features, and where AI-augmented development practices are the norm. What You'll Do Design and build scalable backend services that power our core marketplace platform Develop and maintain cloud infrastructure on GCP using Terraform, ensuring reliability and cost efficiency as we scale Build integrations with utility data sources, supplier APIs, and third-party services across multiple energy markets Create robust data pipelines for real-time rate monitoring and market intelligence Partner with product and cross-functional partners to translate system and supplier needs into high-performing, resilient experiences. Take product ownership on select features and projects when necessary Collaborate closely with a small team where your code ships fast (multiple daily prod deploys) and your architectural decisions matter Leverage AI tools and workflows and uplevel the team around you What You Bring 5+ years of backend engineering experience with production systems at scale Strong JavaScript/TypeScript expertise: Node.js for backend services, familiarity with Nest.js a plus Hands-on experience managing cloud environments including serverless and event driven systems built on native cloud tooling (GCP experience preferred) Terraform proficiency for infrastructure-as-code; you've managed real cloud environments, not just tutorials Comfort with databases (SQL, ideally Postgres), API design, and async processing patterns AI fluency: you actively use AI coding tools and are eager to push the boundaries of AI-augmented development Bias toward shipping; you thrive in environments with ambiguity and move fast without sacrificing quality Interest in energy, climate tech, or marketplace products is a strong plus Compensation & Work Setup Competitive salary + meaningful equity + benefits Remote-friendly with occasional in-person collaboration as needed #J-18808-Ljbffr

A biomedical technology company in Boston seeks a Principal Product Development Engineer to lead the design and development of an innovative in vitro diagnostic device. The candidate will apply advanced scientific principles in whole blood hemostasis testing and will work collaboratively within a multidisciplinary team to solve complex challenges in a fast-paced environment. A strong academic background in bioengineering, biochemistry, or analytical chemistry is required along with relevant experience in assay development and device integration. #J-18808-Ljbffr