Top Software Engineer Jobs in Boston, MA

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.

Design, build and modernize cloud-native services and scalable APIs in an agile team. Collaborate with product and engineers, prioritize user needs, ensure quality via test- and behavior-driven development, and improve performance, reliability, and efficiency.

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.

As a Software Engineer II, you will develop backend services using Java and AWS technologies, collaborating with cross-functional teams to build scalable healthcare solutions.

The Software Engineer III will design and operate scalable distributed systems, develop APIs and integrations, and lead complex initiatives while mentoring other engineers.

Develop and scale microservice-based software in a DevSecOps environment to transition mission planning and AI-enabled systems from R&D to production. Collaborate with scientists and engineers to convert models into production-grade APIs, support deployments, and contribute to system reliability and integration with AI/data tools.

Lead design and hands-on development of low-latency, real-time trading and market-data platforms for public markets. Architect event-driven, API-first systems, embed CI/CD, observability, and responsible AI practices, collaborate with product and enterprise teams, and mentor engineers to deliver resilient, cloud-native solutions.

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.

Develop and implement full stack features for a healthcare platform, focusing on both frontend (React) and backend (Node.js) development. Responsible for performance optimization, API creation, testing, and collaboration with data engineering teams.

The Backend Software Engineer will develop data ingestion pipelines, implement observability tools, and provide technical support while improving team collaboration.

Develop and implement complex software solutions primarily for the FedNow service, ensuring compliance with standards and providing technical leadership in a team-based environment.

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

The Software Engineer, Production Support will debug product issues, provide fixes, improve system reliability, and support the support team while addressing customer feedback and enhancing debugging workflows.

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.

Develop backend features for Chewy.com, improve customer experience, maintain high-performance services, contribute to APIs, and participate in Agile practices.

As a backend engineer, you will enhance data collection systems to ensure reliability and scalability, working closely with engineering and mission teams.

As a Full-Stack Software Engineer II, you will develop AI-centric web applications using TypeScript, collaborating on product and technical decisions while managing project priorities and deliverables.

Design, build, test, deploy, and support full-stack, cloud-native claims applications. Develop Java/Spring Boot microservices, responsive JavaScript/TypeScript frontends, scalable APIs and event-driven integrations on AWS. Improve CI/CD, observability, performance, security, and reliability. Troubleshoot production issues, mentor engineers, and collaborate in Agile cross-functional teams to modernize claims technology.

As a Billing & Analytics Software Engineer, you'll design and maintain the billing pipeline, integrate billing systems, and develop customer-facing analytics dashboards to support revenue recognition and operational observability.

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 maintain internal platforms, web applications, APIs, data/event pipelines, and AI-powered workflows for Klaviyo's demo platform. Own features end-to-end, collaborate with stakeholders, contribute to architecture and operational health, participate in on-call rotations, and use modern AI tools to improve developer productivity and automation. Deliver scalable, observable, and reliable solutions that support sales demos and cross-functional teams.

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.

Build and maintain frontend and backend platform components for AI infrastructure using Python and TypeScript. Support and develop the open-source SDK, create APIs and UIs, collaborate with engineering and AI teams, write tests, and follow CI best practices. Participate in code reviews, mentorship, and continuous learning to improve platform scalability and developer experience.

Design and re-architect the Identity systems at Dropbox to support multi-product capabilities, mentor junior engineers, and ensure software excellence.