Software Engineer Jobs in Cambridge, MA

Software Engineering interns work with mentors and international teams to design, develop, maintain, debug, and enhance Red Hat products such as RHEL and OpenShift. Interns collaborate with Quality Engineering, Design, Product Management, and Documentation teams while learning technologies including Python, Golang, Ansible, OpenShift, and AI. The program provides professional development, networking, curriculum, and hands-on project experience.

Lead architecture and development of Beacon’s backend data platform, including PostgreSQL data models, Kafka event pipelines, GraphQL APIs, clinical data access controls, and warehouse snapshot pipelines. Design complex systems, tune queries, operate production services, debug cross-system issues, write RFCs, mentor engineers, improve tooling and documentation, and collaborate with scientific, clinical, product, and engineering stakeholders.

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.

Principal Frontend Engineer responsible for defining and governing large-scale frontend architecture across clinical applications. Leads modernization from fragmented systems to a React-based platform using JavaScript, TypeScript, Node.js, GraphQL, and shared component standards. Drives migration strategy, technical governance, performance improvements, AI-assisted development tooling, and cross-team alignment while mentoring engineers. Advises on CI/CD, AWS infrastructure, Oracle integrations, legacy Perl utilities, security, hiring, and long-term workforce planning.

Lead frontend architecture and delivery for React-based clinical applications. Mentor engineers, establish component libraries and coding standards, integrate GraphQL and REST APIs, support Node.js tooling and server-side rendering, lead migration to a unified architecture, and drive testing, performance, accessibility, deployment readiness, and cross-functional technical alignment.

Develop and maintain scalable React and TypeScript frontend applications for clinical healthcare workflows. Build reusable accessible components, integrate GraphQL and REST APIs, migrate legacy architectures, optimize performance, troubleshoot UI issues, and support testing, deployment, documentation, and engineering standards. Collaborate with product, design, and backend teams while using Node.js, AWS, and related tooling to deliver a unified frontend platform.

Leads architecture and hands-on delivery of shared backend platforms spanning device APIs, lifecycle management, event pipelines, transport infrastructure, and partner integrations. Defines reusable patterns, drives cross-team technical alignment, improves reliability and observability, mentors engineers, and anticipates architectural risks. The role requires Staff-level influence, deep backend and distributed-systems expertise, and disciplined use of AI-assisted development tools.

Design and develop secure, scalable microservices for VIA’s Zero Trust Fabric, integrating cryptography, passwordless authentication, decentralized identity, blockchain, Web3, and privacy-preserving technologies. Lead architecture, CI/CD automation, testing, monitoring, and performance optimization while serving as a privacy and security subject matter expert. Collaborate cross-functionally on technical strategy, software quality, and secure cloud-based systems.

Architect and develop secure, scalable microservices and backend software for sensitive-data platforms. Lead SDLC and CI/CD automation, automated testing, performance optimization, and reliability initiatives. Provide technical leadership in privacy, security, cryptography, and distributed systems while collaborating across teams and communicating complex designs to technical and non-technical stakeholders. The role also involves integrating Web3 and privacy-preserving technologies and driving continuous engineering improvement.

Develop and maintain Akamai’s custom Linux kernel and distribution. Responsibilities include adding performance, reliability, and security features; porting modifications to newer kernel versions; debugging production and test issues; improving build and continuous-testing automation; collaborating with platform, application, test, and hardware teams; and contributing work upstream to the Linux community.

Design, implement, optimize, and operate highly available distributed data streaming platforms across FedRAMP environments. Develop concurrent, low-latency software using C, C++, Go, or Java; support full-stack data delivery; troubleshoot complex network and distributed-system issues; and provide technical guidance through code reviews and mentoring.

Provide technical leadership for CarGurus’ recommendation platform, defining architecture and building scalable personalized ranking and discovery systems. Partner with Data Science to productionize machine learning models, improve experimentation and recommendation quality, and deliver AI-powered consumer experiences. Lead complex cross-functional initiatives, improve reliability and observability, make organization-wide technical decisions, write code, mentor engineers, and uphold quality, security, and operational standards.

Develop and maintain AR/VR applications for supervising, manipulating, and controlling humanoid robots. Design spatial interaction workflows, integrate user interfaces with robotic perception and control systems, and deploy reliable applications on real robots. Prototype and evaluate interfaces through user studies, optimize distributed systems across headsets and robotic hardware, and collaborate with robotics, hardware, and software teams on testing, monitoring, and field support.

Leads architecture, technology strategy, and execution for FMI’s CRM and Ordering Management transformation. The role directs migration from Microsoft Dynamics 365 to Salesforce, defines transition and future-state architectures, oversees integrations, data migration, governance, security, and platform roadmaps, and establishes modern engineering practices. It also mentors engineering teams, drives DevSecOps, CI/CD, automated testing, AI-assisted development, and reliable delivery across enterprise platforms including LIMS, billing, and medical reporting systems.

Build and maintain scalable backend systems and APIs supporting real-time sports betting experiences for millions of customers. Responsibilities include full software lifecycle ownership, production issue resolution, performance and reliability improvements, automated testing, cross-functional collaboration, and mentoring engineers. The role requires backend development expertise in C# or Java, cloud-based distributed systems, and high-volume production environments.

Lead end-to-end engineering of an AI-driven biomanufacturing platform: design and deploy LLM-powered agents and RAG systems, build full-stack React/Node/MongoDB pipelines, harden AWS infrastructure for regulated (GxP/Part 11) production, and deploy/integrate with customer LIMS/ERP/QMS.

Build and operate production software for active clinical trials, including clinical-system integrations, trial data flows, site activation, monitoring, and signal detection. Design AI-native agents and pipelines with auditability, provenance tracking, and human review in regulated GxP environments. Own multi-quarter technical initiatives, collaborate with clinical, regulatory, QA, data, and infrastructure teams, mentor engineers, and improve validated software delivery workflows.

Develop and enhance Onshape’s full-stack collaborative CAD platform, including user interface, backend services, modeling workflows, performance optimization, and large-scale data handling. Collaborate with product, UX, and QA teams, participate in code reviews, resolve defects, and provide technical guidance on system design and implementation.

Design and scale backend data infrastructure for Beacon’s Datastore, including PostgreSQL models, Kafka-based event pipelines, GraphQL APIs, and warehouse dataset snapshots. Lead service integration, technical design, data integrity, failure handling, and operational improvements. Collaborate with scientific, clinical, product, platform, and application teams to deliver reliable data workflows for clinical studies and digital health products.

Build and scale WHOOP AI platform systems and member-facing experiences across the frontend and backend. Design scalable web applications, APIs, and intuitive interfaces; contribute to agent orchestration architecture; translate business requirements into reliable solutions; write tested code; and monitor, debug, and improve production performance and stability. Collaborate with product managers, designers, data scientists, and other cross-functional partners in a fast-paced environment.

Lead the design and implementation of scalable, reliable backend systems powering WHOOP’s member experiences. Drive technical planning for complex initiatives, establish engineering standards, deliver platform capabilities, and mentor engineers. Collaborate with product, design, data science, and performance science teams while balancing technical quality, business priorities, observability, and long-term maintainability.

Own the technical direction and architecture of WHOOP’s growth-focused web experiences, including join flow, checkout, and shop. Lead cross-functional projects, design A/B tests, improve performance and accessibility, integrate payment and ecommerce systems, and ensure reliability through monitoring and incident response. Mentor engineers, review technical plans and code, lead postmortems, and contribute to engineering processes and documentation.

Design, develop, and maintain scalable backend services, APIs, integrations, data pipelines, automation, and workflows for internal business systems. Partner with cross-functional stakeholders to translate business needs into technical solutions. Ensure system reliability, performance, security, and scalability while contributing to technical strategy, code reviews, engineering best practices, mentorship, and process improvement.

Design, build, and operate WHOOP’s data platform infrastructure, including lakehouse, warehouse, and streaming systems. Improve performance, reliability, cost efficiency, observability, and developer experience across AWS-based data systems. Develop internal tools, APIs, automation, CI/CD, and infrastructure-as-code practices. Partner with data, ML, analytics, and software engineering teams to support scalable workflows, governance, and production excellence while using AI-assisted development tools effectively.

Develops and tests embedded software and algorithms for resource-constrained, real-time systems across defense and space applications. Evaluates requirements, performs design trades, analyzes performance, troubleshoots issues, and contributes to system design and technical documentation. Communicates with customers and stakeholders throughout the software development lifecycle. The role is performed onsite and requires obtaining and maintaining a government security clearance.