Top Software Engineer Jobs in Boston, MA

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.

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.

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.

The Software Engineer II at Chewy develops cloud-based services, manages service quality, collaborates on architectural standards, and integrates technologies to support order fulfillment processes.

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.

The Software Engineer II (Backend, Health Records) will design, develop, and support backend systems for health data processing, including APIs and data pipelines, while ensuring data security and privacy.

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 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.

Join Hi Marley's engineering team as a Software Engineer, where you will build and improve product features, write clean code, and collaborate with your team in a supportive environment.

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

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.

The Software Engineer II will design and implement optimization systems, collaborate with teams, solve data issues, and ensure high-quality code through rigorous testing and peer review.

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.

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 Software Engineer at Snyk, you'll design and build high-quality solutions, focusing on robust, scalable systems. You'll analyze problems, support customers, and collaborate across teams while emphasizing code quality and effective communication.

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 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).

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

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.