Software Engineer Jobs in Cambridge, MA

Design and implement high-quality C/C++ embedded avionics software for X-Bat UAVs. Lead cross-functional teams, own features from design to production, integrate firmware and autonomy systems, and develop HIL/virtualized test environments. Produce architecture and test documentation, build CI/test tools, prototype concepts, and ensure reliability, safety, and compliance for aerospace deployments.

Lead design, integration, and fielding of autonomy software on unmanned platforms. Develop mission behaviors, platform control, multi-agent coordination, and deployment pipelines; own validation from simulation to live tests. Drive technical strategy, cross-team architecture, standards compliance, mentor senior engineers, and support on-site test/mission operations and hardware/software debugging.

Lead design and implementation of tactical autonomy behaviors for unmanned platforms. Develop, test, and deploy multi-agent coordination, motion/behavior planning, and survivability features across vehicles while owning end-to-end system lifecycle and collaborating with integration teams and end users.

Design and implement high-quality embedded C/C++ software for X-BAT UAV avionics, integrate across firmware, autonomy, and GCS; participate in architecture and code reviews; build test systems including virtualized and HIL simulations; develop CI tooling, prototypes, and technical documentation; collaborate with cross-functional engineering teams and report to leadership.

Develop, integrate, and test high-quality embedded C/C++ avionics software for X-BAT UAVs, interfacing with sensors, firmware, autonomy systems, and GCS; design CI/HIL test systems, produce documentation, and collaborate across cross-functional teams.

Lead systems engineering for Hivemind-based autonomy products: define and manage requirements, develop system architectures and trade studies, coordinate hardware/software interfaces, support integration/verification/validation and testing, and identify and mitigate technical risks across the system lifecycle.

Design, implement, and own tactical autonomy behaviors for unmanned platforms. Develop and test multi-agent coordination, motion and behavior planning, target engagement, and survivability features. Work across the software lifecycle, integrate with sensor, estimation, communications, and control systems, contribute to shared frameworks, and support platform integration and testing (travel up to 20%).

Integrate autonomy software onto unmanned aircraft, prepare and validate flight-ready systems, support on-site flight tests, debug hardware/software integration, capture and analyze flight data, collaborate with autonomy/GNC/systems teams, improve integration processes, and assist with certification and compliance. Travel ~30-40% for tests and field events.

Develop, integrate, and field autonomy software on unmanned platforms; own end-to-end integration from simulation to live tests; debug embedded/latency-sensitive systems; support on-site flight/sea/space tests; ensure C2 interoperability and improve deployment/test tooling and processes.

Integrate autonomy software onto unmanned aircraft, prepare and validate flight-ready systems, support on-site flight tests, debug hardware/software interactions, capture and analyze flight data, collaborate with autonomy/GNC/systems teams, and support certification and compliance. Frequent travel (~30-40%) for field tests.

Design and implement full‑stack, low‑latency web-based Ground Control Station and C2 systems (map-centric UIs, real-time telemetry, video streaming), lead architecture and APIs, mentor engineers, support field tests and mission deployments, and ensure interoperability with C2 standards.

Build and maintain full-stack features for a SaaS manufacturing platform: design and document APIs, work with frontend and backend stacks, use AI coding assistants, improve quality via tests and tooling, and collaborate cross-functionally to ship secure, scalable software.

Build and operate the Tidy3D platform: backend services and control plane for job submission, scheduling, and result delivery across heterogeneous GPU resources; manage releases and packaging (PyPI), CI/CD, and deployments (cloud, customer-managed, on-prem); monitor and maintain production health, respond to incidents, and manage cloud cost and capacity.

Senior Full Stack Developer for Nexamp will build and optimize internal financial modeling tools using a React/Django/Azure stack, own architecture and delivery, mentor junior engineers, collaborate with stakeholders, and improve processes to scale deployment of solar power projects.

Lead design, development, and maintenance of cloud-hosted Claims and Policy Center applications. Collaborate with distributed engineers, architects, and vendors in an agile environment to improve performance, solve complex system problems, enforce technical standards, and implement secure, scalable microservice and event-driven solutions using modern web frameworks and cloud technologies.

Lead and mentor engineering teams to architect and build user-focused web, desktop, and XR applications. Collaborate with UX researchers, engineers, and customers to design visualizations and interactions, manage full SDLC, support proposals, and guide technology selection and integration for DoD and commercial programs.

Join the founding team to build full-stack web products for government partners. Design architecture, write code, build cloud deployments and data pipelines, learn customer needs, and deliver high-quality product improvements in a fast-paced startup.

Lead engineering at a pre-seed GenAI startup: define architecture and tech stack, build the first B2B enterprise SaaS product, set up cloud infrastructure, DevOps and CI/CD, ensure code quality, hire and manage 1-2 engineers, and apply LLM/ML expertise to drive product and business strategy.

As an AI Engineer, you will develop AI security capabilities, integrate features for vulnerability detection, and maintain APIs for secure interactions while collaborating across teams.

Design, build, and maintain scalable backend services and APIs using TypeScript and NestJS. Implement event-driven, high-throughput workflows, integrations, queues/workers, and observability; collaborate across teams and own projects from design to deployment.

This role involves architecting and engineering software for robotics, backend services, and machine learning systems, while collaborating on new projects.

Design, develop, test, and maintain full-stack web applications and REST endpoints for a data-intensive pipeline. Produce reusable, testable, documented code; participate in architecture, code reviews, Agile delivery, and ensure cloud-native, secure, and scalable systems.

Design, develop, and maintain scalable data platform components and distributed system software. Build batch and streaming data pipelines, implement data-science algorithms, optimize data delivery, automate processes, and contribute in an Agile environment. Perform unit testing, code reviews, and generate technical documentation while mentoring junior engineers.

Develop and own core embedded OS, networking, and software subsystems for humanoid robots. Integrate sensors and computing platforms, write high-integrity Linux-based code, lead cross-functional projects, validate systems for safety and reliability, and build infrastructure for rapid R&D iteration.

Build and maintain internal systems that collect, organize, and preserve engineering verification data (test results, code coverage). Develop data plumbing, reports, dashboards, and web tools; integrate multiple databases and CI/build outputs; ensure data integrity and traceability to support safety certification and engineering decision-making.