Software Engineer Jobs in Cambridge, MA

Designs, builds, tests, and maintains full-stack features across Angular, Java, and Spring applications. Owns work from technical design through production deployment, contributes to system design, CI/CD, observability, testing, and operational resilience, and collaborates with Product, DevOps, and QA. Uses agentic coding tools such as Claude Code and Cursor under team guardrails. Participates in code reviews, audits, documentation, debugging, and continuous engineering improvements.

Lead technical direction for consumer-facing AI initiatives serving 45 million monthly visitors. Design, build, deploy, and operate full-stack agentic and LLM applications using Python, LangChain, LangGraph, and Langfuse. Guide AI infrastructure, evaluation, observability, scalability, and tooling decisions; establish engineering patterns and platform roadmaps; mentor engineers; collaborate with Product, UX, Analytics, and data teams; and document architectural decisions and best practices.

Architect and lead development of high-scale, low-latency backend and data platforms for wealth custody and clearing. Define engineering standards, technical vision, and distributed-system architecture across teams. Partner with product and business stakeholders, mentor senior engineers, lead incident response, optimize performance, and improve reliability. Ensure platforms meet stringent requirements for availability, consistency, security, observability, auditability, and regulatory compliance using Java, Spring Boot, AWS, Kubernetes, PostgreSQL, Kafka, and microservices.

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.

Develop and maintain simulation, analysis, debugging, visualization, and rerun tools for autonomous driving software. Build high-performance C++ tools and Python backend tooling, enable parameter overrides and local or cloud-based execution, and create GUI or web-based visualizers for step-through behavior analysis. Collaborate with planning and controls engineers, optimize tool performance, and support automated root cause analysis across complex autonomy codebases.

Lead design and build of production-ready cloud and AI systems, prioritize security and reliability, ship solutions quickly using modern engineering practices, collaborate with cross-functional teams, mentor engineers, drive customer adoption, and deliver reusable assets and end-to-end complex deliveries.

Develop and maintain embedded IEEE 802.15.4 networking software across SoC and host architectures, integrate multiprotocol stacks (OpenThread, Zigbee, Bluetooth LE), implement bare-metal and RTOS modules, write unit tests, debug on ARM/Linux using JTAG/GDB, use CI/CD and container tooling, and mentor junior engineers.

Design, implement, and test robotics algorithms for medical and service robotics applications, focusing on navigation, motion planning, and perception.

Develop and maintain software for robotic systems, focusing on communication libraries, algorithms for automation, and providing support to the team.

Develop dynamic user interfaces and mobile apps for robotic control, collaborating with a development team and integrating emerging technologies.

Design and build user-friendly mobile applications for robotic control, focusing on front-end development, UI/UX design, and incorporation of emerging technologies.

Design, implement, and test robotics algorithms in C++ and Python for medical and service robotics applications focusing on navigation and motion planning.

As a Financial Software Engineer, you will design, architect, and build systems to enhance liquidity access for Capital Market clients, while leading projects and mentoring junior members.

As a Financial Software Engineer, you'll build and improve financial systems, ensuring access to liquidity and capital for clients, while engaging in client relations and technical tasks.

Build and optimize high-performance C/C++ and Rust server applications and feed handlers for market data. Implement parsers, petabyte-scale processing tools, and low-latency, high-throughput optimizations. Collaborate on build/deploy/CI, monitoring, and ensure reliable feature rollouts.

Own the architecture and technical roadmap for core backend, infrastructure, and AI platform areas. Write and review production code, resolve complex production issues, improve reliability and scalability, and drive technical initiatives across teams. Build prototypes and customer-facing technical content, mentor engineers, establish engineering standards, and collaborate with cross-functional stakeholders in an in-person environment.

Develop software for embedded components supporting UAS, focusing on GNC software and HWIL testing for autonomous vehicles. Ensure mission success through engineering design cycle involvement.

Design and develop real-time embedded system software for audio products. Responsibilities include embedded Linux and U-Boot bring-up, Linux kernel driver and HAL development, board-level debugging, BSP and vendor SDK integration, performance optimization, hardware-software troubleshooting, and unit and integration testing. The role partners with silicon and component vendors and supports platform modernization across ARM SoCs, microcontrollers, radios, and peripherals.

Build and own backend features end-to-end for the Agents Channel, writing clean, testable server-side code (Kotlin/Java). Collaborate with product, marketing, and frontend teams, work in cloud environments (AWS preferred), use relational databases/SQL, CI/CD, and leverage AI/LLM tools to improve developer productivity.

The Senior Software Autonomy Engineer will design, develop, and evaluate autonomous behaviors for heterogeneous teams of vehicles, focusing on cutting-edge defense systems.

Build and maintain AWS cloud infrastructure automation and platform frameworks using Python. Develop APIs and Infrastructure as Code capabilities supporting CI/CD, improve cloud security and production posture, and enable AWS services across the organization. Partner with application and infrastructure teams to deliver cloud transformation, identify use cases, mentor engineers, and promote automation, innovation, and engineering best practices.

Lead cross-team data platform initiatives focused on the Data Lake. Drive architecture and roadmaps for lakehouse storage, compute, orchestration, modeled data layers, and operational automation. Own large, complex programs end-to-end, make high-judgment architectural decisions, establish standards and paved paths, respond to incidents, and mentor senior engineers while aligning stakeholders across engineering, product, analytics, and AI/ML.

Design and implement web user interfaces using HTML, JavaScript, and CSS. Collaborate in agile development, focusing on usability and technical problem-solving.

As a Backend Engineer, you will design and build backend systems and APIs for LangChain's observability and evals platform, optimizing performance and reliability while collaborating with cross-functional teams.

Design, implement, and maintain scalable, reproducible bioinformatics pipelines for high-throughput sequencing (WGS, RNA-seq). Build containerized workflows (CWL), manage AWS compute/storage, integrate CI/CD, develop metadata and file-conversion utilities, and collaborate with researchers to ensure performance and reproducibility.