Software Engineer Jobs in Cambridge, MA

Design and build real-time security detection engines and streaming analytics using Apache Flink and Kafka. Develop high-performance security APIs and microservices in Go and Node.js, architect Kubernetes-based security solutions, and build petabyte-scale data pipelines. Lead technical design, collaborate with security teams, and mentor junior engineers.

Develop reusable ML tooling and libraries, collaborate with data scientists to productionize models, build services and APIs (Docker/Linux), follow engineering best practices, and support project lifecycle from intake to maintenance.

Develop and maintain the Java client library and high-performance C/C++ server applications. Implement message parsers and feed handlers, optimize for extreme throughput and low latency, build tools for petabyte-scale processing, collaborate on build/deploy/CI practices, monitor uptime, and support smooth feature rollouts.

Implement and maintain the C# client library and high-performance C++ server applications. Build message parsers and feed handlers, optimize for millions of messages/second and nanosecond latency, develop petabyte-scale data tools, collaborate on build/deploy/CI/CD, monitoring, and ensure reliable feature rollouts.

Develop scalable cloud infrastructure and robust software solutions for AI/ML, collaborating with engineers and scientists to enhance scientific research.

Design, build, and maintain backend systems and scalable web APIs for an EM simulation platform. Integrate hybrid cloud and on-prem HPC, optimize HPC clusters, improve data management, implement containerized orchestration, and collaborate with EM and infrastructure teams to enhance schedulers, pipelines, and developer tooling.

Build and maintain record-matching and text-analytics components for an AI-native analytics platform. Implement NLP and linguistics ideas into production code, optimize search internals (Elasticsearch), collaborate in agile sprints, and help design scalable APIs and architectures under senior engineering guidance.

Design, implement, and own backend features from inception to production. Collaborate with product, marketing, and front-end teams to iterate quickly. Write clean, testable server-side code (Kotlin/Java or similar), work with relational databases and SQL, and operate in cloud-based environments with CI/CD deployment.

As a Staff Full Stack Software Engineer, you will design and build scalable cloud-based systems, mentor engineers, and lead architecture reviews while collaborating across teams to address technical challenges.

Lead frontend architecture and platform foundations for real-time operations. Define modular client systems, scalability, reliability, observability, localization, and AI-assisted engineering practices. Mentor senior engineers and partner with product and design to deliver configurable, regionally compliant client experiences at scale.

Design, build, and maintain scalable software systems using Python and Rust. Architect backend services, APIs, distributed components, data models, and cloud-connected applications. Lead technical design discussions, mentor engineers, improve testing and observability, and optimize system performance. Collaborate with hardware engineers, scientists, and business stakeholders to develop solutions for renewable energy, biotechnology, and medical technology applications.

Architect, design, and implement Guidewire PolicyCenter integrations and modules on GWCP. Lead Gosu and Java/Node development, CI/CD pipelines, cloud-native deployments, observability, and platform standards. Collaborate with architects, DevOps, and stakeholders to deliver scalable, secure insurance solutions and guide modernization efforts within an Agile delivery framework.

Design and implement C++ and C real-time software for autonomous aerial and ground systems. Integrate ROS2 and STM32 Cube platforms, work on embedded RTOS, maintain build pipelines with CMake, Docker, and GitHub Actions, and collaborate with hardware and autonomy teams to deliver mission-ready autonomy.

The Senior Software Engineer will design, develop, and maintain large-scale real-time applications for Roku's advertising platform, ensuring performance and scalability while collaborating across teams.

Design, test, and build backend software to deliver geospatial insights. Integrate and optimize data scientists' code for production, collaborate cross-functionally, and support deployment of climate-tech geospatial solutions.

Develop high performance software solutions for resource constrained environments, focusing on embedded systems in various application domains, while managing the full software development life cycle.

Lead development of fault-tolerant, high-performance flight software for resource-constrained air, space, undersea, and hypersonic platforms. Own the end-to-end lifecycle from requirements and algorithm design through implementation, verification, documentation, and security-by-design practices. Apply real-time C/C++ or Rust development, lightweight DevSecOps (CI, automated builds, static analysis), mentor junior engineers, and collaborate with hardware, systems, and cybersecurity teams. Must obtain Secret clearance.

Full-stack software engineer building and maintaining cloud-native applications for Client Management. Collaborate with product and business stakeholders, deliver features, automate testing and CI/CD, support production, and design AI-enabled integrations (LLM APIs, RAG, MCP). Emphasize good architecture, containerization, and documentation.

Design, build, maintain, and own backend cloud systems for large-scale real-time video streaming and recording. Drive architecture and implementation, write and review code, mentor engineers, optimize performance, document systems, automate operations, and provide on-call support. The role requires extensive distributed-systems and cloud experience, deep video-streaming expertise, and technical leadership.

Design and build scalable AI-first experimentation and growth systems: telemetry, experiment assignment, feature flighting, rollout automation, and risk controls. Lead cross-team initiatives, partner with Product/Data Science/Design, write production code, review implementations, and raise engineering and experimentation quality across products.

Lead design and build of scalable full‑stack AI enablement platforms and tools to accelerate engineering workflows. Champion experimentation, automation (code generation, testing, deployment), best practices, and cross‑team collaboration while mentoring engineers and delivering production‑ready solutions.

Lead development of autonomy capabilities for space platforms including distributed optimization, tasking/scheduling, track fusion, RPO and motion planning. Build high-performance, well-tested software, integrate on real vehicles, support deployments and testing, and research/roadmap advanced autonomy techniques for defense applications.

Design, implement, and deploy autonomy capabilities for space platforms including distributed optimization, tasking/scheduling, track fusion, RPO, and motion/behavior planning. Build high-performance, well-tested software modules, collaborate across perception, planning, simulation, hardware, and flight test teams, support deployments and mission log analysis, and contribute R&D and roadmaps to advance autonomy for satellites and missile defense.

Build end-to-end full-stack features and scalable systems that leverage LLMs for an AI-native CRM. Collaborate with product, implement observability and metrics, participate in code reviews and mentorship, and contribute to technical vision and recruiting.

Lead offensive cyber engineering efforts to assess hardware, firmware, and software for vulnerabilities, develop exploit and defensive-evasion tooling, integrate capabilities across teams, document system behavior and changes, and drive multidisciplinary solutions. Act as a subject-matter expert, help shape customer requirements, advance state-of-the-art techniques, and support program growth.