Top Software Engineer Jobs in Boston, MA

Lead cross-team technical vision for a new product launch while remaining hands-on. Design scalable backend-heavy systems, run services in production, define SLOs, mentor engineers, and drive alignment across squads. Work end-to-end with product, prioritize architecture for scale, and use AI-augmented workflows to boost engineering velocity.

Lead the technical lifecycle of mission-focused software products: design and prototype full-stack features, validate UX and performance, bridge prototypes to production, diagnose and fix production issues, engage end users, and align engineering choices with mission constraints while collaborating across product, platform, and mission teams in a hybrid environment.

As a Senior Software Engineer, you'll design and implement software solutions, support system integration, and collaborate with teams to solve national security challenges.

Lead design, build, and deploy full-stack software for DoD/IC missions. Rapidly prototype MVPs, integrate systems and APIs, deliver high-performance frontends, collaborate with users, and deploy/test in secure operational environments.

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.

The Software Development Manager leads a team to build applications for Customer Care, ensuring system performance and optimal delivery using Agile methodologies. Responsible for project management and team development.

This role involves designing and developing core modules for an enterprise-level clinical data platform, ensuring compliance with quality standards, and collaborating with teams for software development and testing.

Build and maintain mobile and web features using React Native, React and JVM backends. Collaborate with designers and product to deliver secure, high-availability, performant experiences, debug and optimize apps, write clean testable code, and ship end-to-end integrations (e.g., Workday).

Build mission-critical frontend features for civil aviation: develop fast, maintainable React/TypeScript interfaces, real-time map-based visualizations with Mapbox/Maplibre/Google Maps, and leverage WebGL/WebGPU/ThreeJS and WebAssembly for accelerated rendering and performance.

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.

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.

As a Senior Software Engineer specializing in Distributed Systems, you'll design and implement scalable platforms, optimize data pipelines for durability and low latency, and impactfully contribute to service ownership.