Top Senior Software Engineer Jobs in Boston, MA

The Sr. Software Engineer will design and deliver scalable software that enhances customer interactions and operations, utilizing modern development tools and cloud services.

The Senior Software Engineer will lead web experience architecture, mentor engineers, manage technical projects, and enhance frontend performance and reliability through data-driven decision making.

Design and maintain backend services for WHOOP's healthcare platform, integrating advanced data insights and collaborating on feature development with cross-functional teams.

As a Lead Software Engineer, you will design and develop advanced algorithms for autonomous platforms, guiding a team through the software development lifecycle and ensuring best practices.

The R&D Software Engineer will develop and support mainframe database solutions, focusing on code quality, Agile processes, and customer interaction.

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.

The Senior Software Engineer will design and develop core modules for an AI-enabled platform, collaborating across teams and mentoring others in a fast-paced environment.

The Principal Software Engineer will design AI-native systems, set standards for development processes, lead engineering practices, and deliver autonomous workflows to enhance business outcomes in wealth management technology.

Design, implement, test, and operate core components of a distributed file system. Write high-performance C/C++ for kernel-adjacent and user-space storage, improve snapshots, caching, metadata, and protocol access (NFS/SMB/S3). Build HA stateful services on Kubernetes, lead design and code reviews, mentor engineers, and ensure production reliability, observability, and upgradeability.

Design, build, and maintain blockchain and payments infrastructure; develop scalable microservices and secure RESTful APIs to transfer value across blockchain and banking protocols; integrate with banks and fintech; own system design, testing, deployment, and troubleshooting; ensure reliability, code quality, and strong test coverage while collaborating with product and engineering teams.

Design, develop, and maintain scalable full‑stack web applications using React front ends and .NET 8 back ends. Build RESTful APIs and microservices, apply CI/CD with GitHub Actions, collaborate with cross‑functional teams, participate in architecture and code reviews, troubleshoot performance issues, and mentor junior engineers while promoting engineering best practices and automation.

Lead the development of innovative display ads technologies, mentor engineers, and ensure system performance and reliability in a fast-paced environment.

The Principal Software Engineer will develop and maintain eCommerce platforms, lead teams, set technology strategy, and ensure software scalability and resilience.

Design, develop, debug, and optimize user-space systems software in modern C++ for on-prem devices. Implement multithreaded, performant code, use profiling/debugging tools, collaborate across global teams, and contribute to systems/distributed/embedded and storage-related infrastructure.

The Staff Software Engineer will architect and code backend services and ML models, integrate systems, ensure quality, and mentor engineers in the AI & Strategy Engineering team.

Build and maintain eBPF-based network monitoring instrumentation in the Datadog Agent, debug production incidents spanning kernel/eBPF/agent runtime, research and prototype solutions for high-throughput, low-latency network observability, and provide technical input to product and architecture decisions.

The Senior Staff Software Engineer will lead major projects, drive architectural innovation, interface with customers for solutions, and mentor engineers. Experience in software engineering and a strong grasp of AI, cloud scale, and evolving technologies is essential.

Develop and manage high-performance back-end systems, design secure APIs, optimize performance in cloud environments, conduct testing, and manage ML model lifecycles.

Develop, maintain, and support R&D software; ensure stability and reliability; own SDLC; improve observability, and mentor team members.

The role involves leading projects as a full-stack engineer, focusing on SaaS products, enhancing user experiences, and building accessible software.

As a Fullstack Software Engineer, you'll design, develop, and maintain scalable frontend and backend systems while collaborating across teams.

Lead technical strategy and execution for multi-quarter initiatives; build and maintain AI-driven systems; mentor and raise the technical bar across teams; collaborate cross-functionally; ensure data security and HIPAA-compliant practices; operate in an AWS + Kubernetes environment while introducing new technologies as system load grows.

The Senior Software Engineer will build scalable backend systems, maintain data workflows, and collaborate across teams to enhance marketing initiatives.

Lead the architectural design and development of a new consumer credit product, focusing on backend systems, distributed services, and integrating AI tools. Mentor team members and influence product direction through engineering insights.

As a Senior Software Engineer in ZT1, you will lead backend system development, manage projects, and influence product direction in a fast-paced, AI-centric environment.