Top Software Engineer Jobs in Boston, MA

As a Frontend Software Engineer, design, develop, and deploy web applications, collaborate with UX engineers, and implement user-friendly interfaces.

As a Software Development Engineer II, you will enhance developer experience through tools and automation, building platforms and features for internal systems while collaborating with engineering teams.

Build and scale reusable React and TypeScript UI components, design-system foundations, accessibility patterns, tooling, and frontend infrastructure. Lead architecture discussions, define component APIs, improve Storybook and testing workflows, drive adoption through documentation and migration guidance, and partner with design, accessibility, platform, and application teams. Mentor engineers, influence frontend standards, and solve ambiguous technical challenges while balancing scalability and maintainability.

As a Backend Software Engineer II, you will design and develop APIs, collaborate with teams, and enhance the software lifecycle. You will work with stakeholders to shape system architecture and improve overall software performance.

As a Software Engineer III, you will design, build, and enhance high-complexity components, mentor team members, and collaborate on projects, ensuring high-quality code and customer-centric solutions.

Design, develop, and maintain full-stack web applications hosted in the cloud. Implement front-end UIs, build backend APIs interacting with cloud services, containerize apps, collaborate with infrastructure engineers, follow Agile and DevSecOps practices, and contribute to extensible, object-oriented codebases.

Design, develop, and maintain scalable, reliable Python applications. Participate in design and code reviews, collaborate with engineers and data scientists, adopt microservices and containerization, follow Agile practices, and support deployment and integration for DoD-focused AI/ML and simulation projects.

Develop and improve Dimagi’s CommCare platform through full-stack software engineering. Responsibilities include building features, writing automated tests, participating in code reviews and agile processes, supporting continuous integration and deployments, and collaborating with international development and implementation teams. The role focuses on creating accessible software for frontline workers in challenging environments and may include data engineering and AI-assisted coding work.

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.

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.

Design, develop, and deploy high-performance distributed optimization, data, and simulation systems. Collaborate with cross-functional teams, resolve data quality and production issues, write maintainable code with TDD, unit tests, and CI/CD, and advocate engineering best practices.

Build and maintain mission-critical ad-serving infrastructure operating at massive scale. Responsibilities include shipping production code frequently, improving engineering quality through testing and code review, developing expertise in Go and open-source technologies, and designing large-scale data stores, distributed systems, and backend architectures. The role offers measurable impact on millions of users and company revenue while working remotely with quarterly in-person gatherings.

Lead a team of software engineers supporting critical retail-banking applications. Design and develop software solutions, provide technical guidance, review code and documentation, troubleshoot complex incidents, and apply SRE practices. Maintain on-call rotation for after-hours critical incidents. Use OpenShift, Hogan, Dynatrace, and Linux; collaborate on releases and modernize application delivery.

Design, implement, test, and deploy full-stack features across a large cloud-native platform. Collaborate with product, design, and TechOps, produce documentation, propose improvements, and maintain high code quality and testing practices.

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 and implement secure, scalable backend services for voice agents, integrate AI models and telephony, improve inference, debug concurrent systems, and collaborate with Product to deliver features end-to-end.

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

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).

Build and independently deliver full-stack healthcare software features using Java or Groovy, React and TypeScript, MongoDB, and Kafka. Responsibilities include design, implementation, testing, deployment, production debugging, code reviews, design documentation, dependency coordination, process improvements, and mentoring. The role requires reliable delivery with minimal oversight and collaboration across engineering, product, and QA teams in a remote-first environment.

Develop and ship full-stack web and mobile experiences across Affirm’s consumer app and website. Collaborate with product, design, analytics, and engineering teams to break down projects, make technical decisions, write tested and extensible code, launch scalable APIs, monitor service health, support on-call operations, review code, and participate in team development and interviewing.

Design, develop, implement, integrate, test, and demonstrate advanced autonomy algorithms and software for unmanned platforms. Build backend-focused full‑stack systems for mission planning, multi-agent collaboration, control, DevSecOps, and CI/CD pipelines across prototypes to integrated systems.

Build and scale consumer-facing mobile and web applications and backend services. Own features end-to-end across frontend and backend, optimize databases and queries, integrate third-party APIs, implement algorithms for risk and transaction evaluation, improve reliability and CI/CD, and contribute to testing, monitoring, and internal tools to support customer operations.

Develop and improve MongoDB’s distributed database networking and observability components. Responsibilities include writing production-level C++ code, enhancing performance, availability, scalability, and resource efficiency, integrating observability frameworks, leading medium-sized projects, collaborating across the product lifecycle, and participating in code reviews and technical design. The role requires strong software architecture fundamentals and an interest in networking, observability, and computer systems internals.

As a Software Engineer, you'll develop software using Ruby, Javascript, and support AWS infrastructure. Responsibilities include maintaining and building applications, contributing to high-end software releases, and mentoring other engineers.