Top Software Engineer Jobs in Boston, MA

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.

Design and develop scalable software applications in Python, collaborate with teams, and ensure code quality for critical defense projects.

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.

Build and operate full-stack features (React frontend; C#/.NET Core or Python backend), own design-to-production lifecycle, prototype solutions, review code, improve observability and tech debt, and participate in squad design and operations.

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.

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.

Develop and maintain web applications on cloud infrastructure, collaborate with teams to containerize apps, implement UIs, and write backend APIs while using Agile and DevSecOps practices.

The Software Engineer Co-op will develop backend services, improve observability, create automation for operational tasks, and contribute to AI-enabled operations features.

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