Software Engineer Jobs in Cambridge, MA

Lead design and build of scalable, cloud-native applications on Azure; drive front-end development (Angular/React), database architecture (SQL Server), microservices and event-driven APIs, CI/CD and DevOps practices, mentor engineers, and ensure secure, high‑quality software delivery aligned to business goals.

Lead test strategy and build scalable automated test frameworks for a custom Linux kernel. Validate performance, reliability, and security; develop test suites for kernel enhancements and VM software; debug low-level system issues; enhance CI/build automation; provide technical leadership and mentor junior engineers.

Lead test strategy and build scalable automated frameworks to validate performance, reliability, and security of a custom Linux kernel for AI/Compute platforms. Design CI/CD and build automation, develop test suites for kernel and VM software, debug low-level system issues, benchmark performance, and provide technical leadership and mentoring.

Design and build resilient platform features for microservices and real-time event-driven systems. Propose architectural improvements, support a large development community, and collaborate with investment and engineering teams to productionize complex investment strategies.

Lead full‑stack engineering for cloud‑native digital SME platforms: design and build frontend and backend systems, APIs, integrations, and databases; drive architecture decisions; own features through deployment and support; mentor engineers; promote engineering best practices, observability, and secure, scalable solutions.

Design, build, and evolve secure, reusable platform capabilities (AI runtime safety, AI gateway, CI/CD, IaC, cloud infra) to enable developer teams. Lead cross-functional alignment, operationalize monitoring and support, improve developer experience, mentor engineers, and drive adoption of paved-road secure delivery workflows.

Lead design and ownership of an agentic orchestration platform for long-running, multi-agent scientific workflows. Architect durable, event-driven, cloud-native systems, define SDKs/APIs, deliver IaC reference implementations, optimize cost and scalability, set platform standards, and partner across modeling and product teams while mentoring engineers.

As a Senior Software Engineer, focus on backend development and AI integration for scientific applications, building systems that leverage advanced AI techniques.

The Sr Software Engineer II will develop scalable cloud-based software, lead technical projects, mentor engineers, and enhance engineering processes.

The Principal Embedded Software Engineer leads the development of complex embedded software for military and space applications, managing technical risks and providing expertise in real-time systems.

Lead design and implementation of scalable, secure health-data systems. Code and mentor engineering teams, drive cross-functional projects end-to-end, solve complex technical problems, and advance data integration and AI-enabled services.

Senior front-end engineer to implement UI/UX designs, build performant cross-browser interfaces, consume JSON APIs, use client-side MVC frameworks, CSS preprocessors, Bootstrap and jQuery, and contribute to architecture and testing. Role influences UX practice and intranet/collaboration rollouts.

Lead full-stack development for an AWS-based product: design and implement backend, data, and web UI; integrate external APIs and AI/ML features; collaborate cross-functionally; improve architecture and engineering practices; mentor teammates and deliver high-quality, production-ready code.

Design and implement pixel-perfect, high-performance web applications from wireframes to production. Collaborate with designers, PMs, and engineers, iterate on architecture and best practices, explore AI/ML integrations, and contribute to a collaborative engineering culture.

Hands-on Tech Lead to own full-stack systems end-to-end, set engineering standards, mentor engineers, drive releases, build AI/LLM-enabled products, and collaborate across teams to deliver secure, reliable software for federal customers.

Lead technical direction and architecture for the Fable backend, own platform reliability (databases, CI/CD, queues, observability), run incident response and postmortems, mentor engineers, collaborate cross-functionally with product/design/ML, and build platform capabilities enabling faster, safer delivery.

As a Staff Software Engineer in Applied AI, you will architect AI systems for vulnerability detection, collaborate across teams, and improve AI model performance.

As a Senior Software Engineer on the AI Platform team, you will develop AI security features, enhance vulnerability detection, integrate AI patterns, and collaborate across functions to deliver solutions.

As a Senior Software Engineer for Applied AI, you'll develop AI security capabilities, integrate AI models, and improve security workflows within HackerOne's platform while collaborating across teams.

As a Senior Software Engineer, you will develop features for AI security capabilities, enhance workflows, and integrate systems while collaborating across teams.

The Software Test Engineer will develop automated test frameworks, analyze software designs for test planning, and enhance CI/CD processes within an Agile scrum team.

Looking for a Senior Software QA Engineer with 6+ years of QA experience in enterprise software, strong problem-solving skills, and expertise in Linux/Unix configuration and scripting.

The Senior Software Engineer II will design and develop cloud-native backend systems for Stream Governance, mentor engineers, and solve complex data challenges in a team-focused environment.

The Principal Software Engineer will lead Android SDK development, mentor other developers, collaborate on project plans, and design scalable solutions while ensuring technical excellence.

Lead the development of full-stack solutions, mentor teams, evaluate technologies, design scalable systems, and improve operational efficiency while ensuring high quality.