Software Engineer Jobs in Cambridge, MA

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).

Lead design and delivery of internal platforms, APIs, data/event pipelines, and AI-powered systems. Drive cross-team architectural direction, operational excellence (SLOs, monitoring, incident response), and mentor senior engineers while establishing standards, AI guardrails, and scalable reference implementations to improve productivity and reliability across the organization.

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 autonomy software for unmanned systems, including algorithm design, software testing in simulations, and collaborative R&D efforts with a multidisciplinary team.

Design and develop cloud-scale software, maintain cloud infrastructure, ensure compliance, and collaborate with teams to deliver high-quality applications.

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.

Design and implement backend solutions that support hardware development at WHOOP, creating tools for hardware integration and managing data pipelines.

Design, build, and maintain internal tools and integrations powering business operations. Partner with Finance, Operations, and other teams to implement APIs, data pipelines, and automation. Ensure reliability and performance of systems like NetSuite, Salesforce, Stripe, and Boomi. Deliver production-quality web applications and mentor other engineers.

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.

As a Software Engineer, you will develop user interfaces and backend services for Benchling's Study Lifecycle team, improving scientific workflows. You'll own projects from design to rollout and collaborate with product teams while delivering well-documented code.

Build and scale ML platforms and data pipelines to support training, evaluation, and production model serving. Implement data ingestion, transformation, validation, APIs, and orchestration for end-to-end ML lifecycle. Adopt Spec-Driven Development and AI-assisted engineering practices while collaborating with data scientists and product teams.

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 Software Engineer, you will build innovative products, enhance existing solutions, and collaborate with cross-functional teams in a fast-paced environment.

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.

The Full-Stack Software Engineer will develop software applications for a cloud environment, focusing on data processing, front-end components, and system resilience while promoting best coding practices.

As a Software Engineer II on the Data Automation team, you will design and maintain the analytics infrastructure, collaborating with teams to ensure high system performance and reliability.

Design and build agentic AI features by integrating LLM APIs into product workflows. Write well-tested TypeScript across the stack, implement tool invocation and multi-step reasoning flows, collaborate with Product and Design, and improve reliability and performance of agentic systems while documenting findings.