Software Engineer Jobs in Cambridge, MA

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.

Early-career software engineer building AI-native, agentic systems. Design, implement, test, deploy production solutions using AI-assisted tools. Contribute reusable foundations, participate in design/code reviews, and iterate on systems with attention to observability, state management, and inference cost.

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.

Lead engineering teams building AI-native, cloud-based finance platforms. Oversee design, governance, and delivery of distributed microservices and multi-agent AI workflows, mentor engineers, collaborate with product managers, and drive enterprise transformation using cloud, containers, and modern languages/tools.

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.

Build and maintain robust, well-tested backend libraries and developer-facing platform tooling. Partner with engineers and product to identify productivity bottlenecks, design abstractions, create documentation, and use AI-assisted tools and automation to improve developer experience, reliability, and deployment workflows.

Build and maintain digital content products for America's Test Kitchen. Work on software development, data analysis, and product-focused engineering across associate, senior, and lead roles in a hybrid Boston environment.

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

The Robotics Software Engineer will architect systems, implement navigation algorithms, develop software for UAS, and support prototype vehicle testing.

Develop and improve CommCare platform features using modern practices (CI, automated tests, version control). Collaborate with global teams to build usable software for low-resource settings, mentor junior engineers, drive code quality through reviews, and propose product and process improvements.

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

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.

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.

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, develop, and maintain scalable, reliable Python applications. Participate in design and code reviews, collaborate with engineers and data scientists, adopt microservices and containerization, follow Agile practices, and support deployment and integration for DoD-focused AI/ML and simulation projects.

Design, develop, and deploy scalable cloud-native applications in Python. Build and maintain infrastructure-as-code, CI/CD pipelines, Kubernetes/Helm deployments, and ensure security compliance. Collaborate with engineers and data scientists to produce maintainable, modular software for DoD customers.

Design, develop, and maintain full-stack web applications hosted in the cloud. Implement front-end UIs, build backend APIs interacting with cloud services, containerize apps, collaborate with infrastructure engineers, follow Agile and DevSecOps practices, and contribute to extensible, object-oriented codebases.

Design and build backend systems for air traffic control, focusing on data fusion from multiple sources and ensuring high reliability in complex environments.

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.

Build and maintain Klaviyo's Android SDK and adjacent mobile products (in-app messaging, universal linking, geofencing). Ship production-tested Android features, debug across devices and OS versions, contribute to other SDKs and backend services, write tests and docs, collaborate with product and engineering teams, and support customer integration issues.

Build and maintain Edge product features including Tulip Player, device drivers, and cloud microservices. Scope and ship end-to-end features with product, design, and QA; debug customer issues in manufacturing environments; write tested, documented code; participate in on-call rotation; collaborate on device integrations and improve deployment, monitoring, and infrastructure practices.

Build and ship full‑stack web features and microservices for a cloud‑native genomics platform. Lead design and code reviews, mentor engineers, and develop production LLM applications (RAG, evaluation, citations) using managed endpoints and containerized CI/CD deployments. Collaborate with Product, QA, and Architecture to deliver reliable, regulated healthcare software.

As a Senior Backend Engineer, you will develop APIs, collaborate with various teams, and manage project priorities while ensuring communication is efficient and inclusive.

As a Senior Full-Stack Software Engineer, you will build AI-centric web applications in TypeScript, manage project priorities, and make technology decisions while collaborating with Product and Design teams.