Software Engineer Jobs in Cambridge, MA

Design, build, and operate foundational platform services to improve availability, scalability, latency, and efficiency. Enable product teams via platform primitives (infra, databases, queuing), leverage Python, Go, AWS, Kubernetes, and Terraform, and mentor engineers to deliver resilient, scalable systems and improved developer experience.

Design and build AI-enabled applications centered on knowledge graphs, ontologies, graph and vector databases, RAG, and agentic pipelines. Develop scalable backend systems, APIs, data pipelines, integrations, and interactive full-stack web applications. Make architectural decisions, integrate intelligent search and retrieval features, evaluate emerging technologies, and ship production code. Collaborate with product, design, domain experts, and leadership while contributing to engineering standards, quality, security, testing, and maintainability.

Design and scale high-traffic services, resolve production incidents, deploy features (using feature flags), plan team projects, and improve service performance and architecture at large scale.

Design, build, and maintain full‑stack features for a clinical SaaS platform. Drive architecture, collaborate with product, ML, infra, and regulatory teams, uphold engineering standards, mentor peers, and ensure reliability, data integrity, and compliance for clinical trial workflows.

Design and scale machine learning infrastructure across AWS and on-premises environments. Lead MLOps architecture, automation, CI/CD, deployment, monitoring, and reproducible ML workflows using Kubernetes, Airflow, and related tools. Collaborate with engineering and data science teams, evaluate MLOps technologies, ensure security and compliance, conduct design reviews, enforce engineering standards, and mentor junior engineers.

Build and maintain automated UI, API, and integration test suites; contribute to test strategies, code reviews, debugging, manual testing, CI/CD pipelines, and documentation. Help manage AWS and Kubernetes test infrastructure, improve test reliability, and investigate failures across software, data, and infrastructure layers. Collaborate with engineering, product, QA, and business teams in a distributed healthcare technology environment.

Build and maintain scalable full-stack web applications using .NET, React, Next.js, and Azure. Responsibilities include feature delivery, API and microservices development, testing, code reviews, architecture, performance optimization, security, CI/CD support, cloud deployment, and production support. Senior engineers will mentor teammates and influence engineering standards, while early-career engineers receive mentorship and progressively greater ownership.

Leads architecture, design, development, integration, deployment, and operational support for complex full-stack applications built on the Mendix platform. Establishes technical standards, reviews code, mentors engineers, guides cross-functional initiatives, manages technical risks, supports Agile delivery, and leads incident response, performance optimization, monitoring, automation, and production readiness across multiple teams.

Designs and develops real-time embedded system software for audio platforms. Responsibilities include Linux and U-Boot bring-up, board and hardware debugging, BSP and vendor SDK integration, HAL development, device driver work, system testing, performance optimization, and platform modernization. The engineer collaborates with silicon and component vendors and supports hardware teams across ARM SoCs, microcontrollers, radios, peripherals, and operating system boundaries.

Develop and maintain high-performance web frontend applications and backend services for a collaborative XR platform. Lead complex cross-team projects, shape cloud and web architecture, optimize browser and XR headset performance, and translate business requirements into product features. The role requires expertise in JavaScript, React, TypeScript, browser performance, distributed systems, real-time communication, AWS, and Electron, with preferred experience in 3D web technologies, cloud-native architecture, databases, containers, game engines, CI/CD, and observability.

Develop embedded firmware and control software for photonic transceiver lasers, including stabilization algorithms, diagnostics, telemetry, monitoring, hardware bring-up, and automated testing. Collaborate with photonic, analog, digital, and systems engineers while debugging embedded systems and integrating management interfaces such as CMIS, OpenBMC, and DMTF standards. The role requires C/C++ and Python expertise, hardware-software integration, lab testing, and ownership of production-ready firmware components.

Designs, builds, and maintains backend APIs and data pipelines supporting clinical workflows and real-time data exchange. Drives platform architecture, code quality, testing, reliability, data integrity, compliance, and inspection readiness. Collaborates with product, design, machine learning, infrastructure, clinical, QA, and regulatory teams while mentoring engineers and contributing to a SaaS healthcare platform.

Design, build, and support full-stack systems that translate investment decisions into market actions. Influence architecture, drive technical decisions, collaborate with business and PM teams, and support the full delivery lifecycle including prototyping, implementation, testing, and production support.

Build and scale Klaviyo's AI-native Customer Agent platform across frontend and backend. Design conversational experiences, retrieval and orchestration systems, integrations, observability, and deployment. Drive architecture, mentor engineers, ensure reliability, and ship high-quality, scalable AI-driven customer engagement features.

As a Senior Software Engineer, you'll design and build scalable systems for customer data management, ensuring seamless user experiences and mentoring team members.

Develop and maintain embedded Linux systems for autonomous platforms, including bootloaders, kernels, root filesystems, device drivers, device trees, security features, and performance optimization. Build Python or Bash automation and CI test frameworks. Collaborate with hardware engineers on requirements, schematics, board bring-up, and debugging of high-speed interfaces using laboratory and JTAG tools.

Architects and ships production agentic AI systems, including multi-agent orchestration, RAG pipelines, evaluation infrastructure, and observability. Establishes reusable technical standards, makes architecture and build-versus-buy decisions, mentors engineers, and communicates technical choices to executives and clients. The role requires hands-on Python and TypeScript/React development, rapid delivery of ambiguous client solutions, and frequent use of AI coding tools. Client-site travel is required as needed.

Build and deploy production multi-agent AI systems and RAG pipelines for client engagements. Develop agent logic, prompts, tools, evaluation frameworks, and observability systems. Translate client requirements into technical tasks, ship rapidly, and collaborate with AI, data, and product teams. Senior engineers independently own AI workstreams end to end and present architecture decisions to stakeholders.

Develop and maintain automated quality assurance tools, test plans, scripts, and procedures for software running on hardware accelerators. Investigate defects, conduct probe testing, track issues in Jira, collaborate with developers and customers, and coordinate bug fixes. Ensure release readiness, maintain test coverage for CVEs and updates, and support upstream open-source contributions using Python, Bash, GitHub/GitLab automation, containers, and DevOps practices.

Lead design, delivery, and scaling of reliable, secure consumer-facing platform systems. Define architecture, translate ambiguous problems into execution plans, improve developer tooling/workflows, mentor engineers, and collaborate cross-functionally to shape the platform roadmap.

The Software Engineering Manager will lead engineering teams to design, develop, and deliver custody and securities processing platforms, ensuring quality, security, and operational readiness while fostering a high-performance culture in a regulated environment.

Lead high-leverage technical work across teams: define architecture and patterns, drive end-to-end delivery and operational excellence, ship AI-enabled systems, mentor engineers, set AI guardrails, and represent technical leadership internally and externally.

Build and maintain Bazel-based build, test, and packaging tools for a large monorepo. Improve CI performance and cost efficiency, run complex migrations, keep pipelines reliable, and contribute upstream to the Bazel ecosystem. Own projects end-to-end and collaborate with developers to improve tool usability and developer productivity.

Architect and develop high-fidelity multi-robot simulation environments and fleet orchestration systems. Build realistic physics, perception, communications, task allocation, planning, scenario generation, domain randomization, metrics, and experiment infrastructure. Calibrate simulations against real-world telemetry, automate regression benchmarks, and collaborate with robotics, infrastructure, DevOps, and field teams to deliver reliable, scalable, field-ready systems.

Entry-level software engineering role for 2027 graduates in an Engineering Development Program. Learn fundamentals, complete coding challenges and interviews, work on various products using Java, Python, TypeScript, front-end and mobile tech, and be office-based 4 days/week for first two years before flexible Work Anywhere options.