Top Senior Software Engineer Jobs in Boston, MA

The Senior Software Engineer will lead technical discussions, develop innovative software solutions, mentor junior engineers, and enhance data communications systems. They require 5+ years of experience and programming skills in Python, C, and C++.

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.

Lead design and delivery of cross-platform applications using Flutter/Dart. Architect scalable, maintainable code, enforce standards, integrate with backend APIs, optimize performance, and contribute to CI/CD and automated testing. Mentor junior engineers, conduct code reviews, troubleshoot complex issues, collaborate with product and design, and influence technical roadmaps to deliver high-quality mobile and web experiences.

Design, develop, and maintain scalable, high-performance backend systems and APIs. Integrate cloud-native services, manage SQL/NoSQL databases, implement security best practices, optimize performance, and support production environments. Collaborate with product, frontend, and DevOps teams, participate in code reviews, and troubleshoot backend and cloud infrastructure issues.

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.

The Principal Full Stack Software Engineer will design, develop, and mentor teams in building scalable web applications, influencing architecture and engineering standards in AI and cloud technologies.

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.

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.

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

Design, build, and maintain scalable, reliable full‑stack systems. Contribute to API and architecture design, write testable code, debug complex issues, improve performance, automate deployments, and mentor junior engineers while collaborating with cross‑functional teams.

Design, develop, integrate, and test autonomy and multi-agent software systems for unmanned platforms. Provide technical leadership, mentor engineers, support system and SoS architecture, and apply best practices (TDD, static analysis, CI/CD, DevSecOps) across the software lifecycle while collaborating with leadership and customers.

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

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.

Senior software engineer responsible for designing and building tools for Small Commercial Service, translating customer requirements into technical solutions, mentoring junior engineers, and improving performance, quality, and efficiency within an agile team using cloud and full-stack technologies.

Lead cross-team technical vision for a new product launch while remaining hands-on. Design scalable backend-heavy systems, run services in production, define SLOs, mentor engineers, and drive alignment across squads. Work end-to-end with product, prioritize architecture for scale, and use AI-augmented workflows to boost engineering velocity.

Develop, integrate, and field autonomy software for launched effects platforms, owning features from design through live flight testing. Drive technical execution, collaborate with autonomy, perception, and vendor teams, support system bring-up and field operations, and implement C2 interoperability and deployment processes. Travel to tests and customer exercises to support mission execution and debugging.

Lead technical delivery and integration of autonomy software for V-BAT and X-BAT, defining flight-autonomy interfaces, integrating payloads and mission autonomy, coordinating cross-team engineering, ensuring mission readiness, supporting flight tests and deployments, mentoring engineers, and improving integration workflows and testing infrastructure.

Lead technical delivery and integration of autonomy software for new platforms (air, maritime, space). Own end-to-end development, testing, and fielding of autonomy features, mentor teams, drive architecture and ICDs, support live tests, and transition R&D into operational capabilities.

Develop, integrate, and field autonomy software for expeditionary unmanned aircraft (V-BAT/X-BAT). Own features from software-in-the-loop to live flight tests, collaborate with aircraft and perception teams, lead technical integration, support field deployments and mission testing, and troubleshoot hardware/software issues.

Lead and mentor engineering teams to build distributed microservices and full‑stack cloud solutions for risk management. Collaborate with product managers, deliver scalable AI‑enhanced systems, and apply modern tooling (containers, databases, cloud).

The Senior Software Engineer will design and implement real-time software solutions, enhance software architecture, and support customer engagement in advanced sensor systems.

As a Senior Software Engineer, you will design and implement software solutions, support integration and testing, and collaborate across teams to address national security challenges.

The Senior Software Engineer develops innovative software solutions focused on estimation theory and machine learning while collaborating with multidisciplinary teams.

The Senior Software Engineer will lead the development of backend services and APIs, design system architecture, and collaborate closely with teams to evolve the Enterprise platform.