Top Software Engineer Jobs in Boston, MA

The Software Engineer II will build and maintain backend services and APIs for WHOOP's enterprise platform, focusing on security and system architecture while collaborating across teams.

The Software Engineer II (Frontend) will design and develop user experiences for WHOOP's digital products, focusing on responsive web applications and collaboration across teams.

Build and maintain high-performance, scalable backend microservices for unified payment processing. Collaborate with product and cross-functional teams, advocate coding best practices, optimize performance and security, and apply testing and AI-assisted development to improve delivery.

Build and own full-stack, enterprise-grade analytics and reporting features—from data access and storage to front-end visualizations. Collaborate with Product, Design, Data Science and cross-functional teams to deliver AI-assisted, customizable reporting that drives adoption, retention, and action within the Klaviyo platform.

As a Software Engineer I on the Growth team, you'll develop and maintain frontend applications, implement experiments, and improve user experiences while collaborating closely with cross-functional teams.

As a Software Engineer II, you'll develop scalable backend services, optimize APIs, and collaborate across teams to enhance user growth metrics.

Design and implement scalable microservices and high-performance APIs for resilient distributed computing. Own features from R&D to production, collaborate with scientists and end users, apply typed functional Scala, and use rigorous testing (property-based, simulation) to ensure correctness under network partition and message loss.

Design, build, and operate scalable backend services and APIs for Chewy Vet Care using Java, Spring Boot, and AWS. Collaborate with product, data, clinical, and engineering teams to translate requirements, improve observability, troubleshoot production, participate in on-call rotation, and advance platform-first architecture, CI/CD, and secure engineering practices.

Design, develop, and implement software solutions across the SDLC. Analyze requirements, produce application and architectural specifications, translate requirements into code, troubleshoot issues, participate in code and design reviews, and collaborate with project managers, business analysts, and team members to deliver cloud-native, data platform services.

Develop and ship cloud-native full-stack features using Java/Spring Boot backend and React frontends. Design, test, deploy, and maintain secure, scalable services (PostgreSQL, Kafka, AWS, Kubernetes). Own features from design through production, participate in code reviews, troubleshoot production issues, improve CI/CD and observability, and collaborate with product and cross-functional teams. Use AI-assisted tools responsibly to increase engineering productivity.

The Autonomy Software Engineer develops and integrates software systems for defense-related sensor technology, focusing on real-time applications and system testing.

Early-career backend engineer contributing to Java-based services and APIs. Design, implement, test, and deploy production-quality code, participate in code reviews, collaborate with product and senior engineers, and use AI-assisted development tools to accelerate delivery and maintainable systems.

As a Software Engineer, you'll design and build production software that accelerates drug development, collaborate across teams, and leverage AI tools extensively in your work.

Lead technical design and hands-on development of low-latency, event-driven trading and market data platforms. Drive architecture, engineering standards, CI/CD, observability, and AI-assisted tooling; collaborate with product and solution teams; mentor engineers; ensure resilient, secure, cloud-native solutions aligned with enterprise strategy.

Design, build, and maintain full stack systems for WHOOP's design system and translation infrastructure, improving internationalization support and collaborating across teams.

Build, maintain, and support backend services and APIs powering member-facing features using Java, Kafka, Postgres, and AWS. Collaborate cross-functionally, write well-tested code, troubleshoot production issues, decompose features into tasks, and contribute to technical documentation.

Design and implement scalable backend services and APIs for WHOOP's internal operations, collaborating with cross-functional teams to enhance efficiency.

The Senior Full Stack Engineer develops and maintains a financial advisor platform using Ruby on Rails and React, builds RESTful APIs, collaborates with design teams, and optimizes performance.

Design and implement user-facing product and onboarding improvements, run and analyze A/B tests, collaborate cross-functionally, improve experimentation and development processes, mentor engineers, and define safe, performant AI agent goals. Hybrid role based in Boston (≥3 days/week).

As a Backend Software Engineer II, you will develop and maintain member-facing features using WHOOP's AI capabilities, collaborating with cross-functional teams and ensuring high-quality software solutions.

Design, develop and maintain backend systems for WHOOP's platform, ensuring scalability, security, and performance while collaborating across teams.

As a Senior UI Software Engineer, you'll lead front-end development, design user experiences, mentor junior engineers, and integrate AI capabilities into products.

Build custom integrations and internal engineering tools connecting biotech customers' scientific and IT workflows to Benchling. Collaborate with customers, own projects end-to-end, improve APIs and developer platform, maintain testing and CI/CD, and scale tenant operations, desktop apps, Connect adapters, and MCP servers to support lab automation and trusted scientific data access.

Senior Software Engineer responsible for owning and supporting the MCA international cash management platform. Duties include COBOL development, mainframe application support, Oracle Database and Linux administration, monitoring with Dynatrace, incident and change management via ServiceNow, vendor coordination (including Oracle Flexcube), troubleshooting production issues, delivering enhancements, and participating in Agile delivery to ensure platform reliability and regulatory compliance.

Build developer productivity tools and frontend frameworks for a large React application. Own features end-to-end, design and implement tooling for development, testing, and packaging, and collaborate with PMs, designers, and engineers to scale product and engineering practices.