Top Remote Senior Level Software Engineer Jobs in Boston, MA

Design, build, deploy, and maintain resilient, scalable backend and enterprise features across Toast’s platform. Lead complex projects, ensure quality with automated tests, roll out and monitor features, collaborate with UX/PM and cross-functional teams, and mentor other engineers.

The Staff Software Engineer will design and implement features for a scalable platform, improve functionality, diagnose bottlenecks, and lead projects while collaborating with cross-functional teams.

The Senior Software Engineer will drive the retail technology initiatives at Toast, focusing on payment solutions and enhancing customer experiences. Responsibilities include collaborating on high-impact opportunities, technical decision-making, and adapting to customer needs.

Design, build, and own scalable microservices and secure APIs that transfer value across blockchain and banking protocols. Extend in-house blockchain infrastructure, integrate with banks and cloud services, troubleshoot production issues, document system and testing procedures, and collaborate with product and engineering teams to deliver reliable payment experiences.

Seeking a Senior Backend Engineer to develop backend systems for a Native AI platform, focusing on API design, data integration, and production software systems using Python and Django.

Lead the design and engineering of AI-powered user experiences, collaborating with teams to develop high-quality software products and establish best practices in engineering.

The Senior Engineer will collaborate with teams to develop features for medical technology solutions, utilizing full-stack development skills and enhancing product performance while mentoring junior engineers.

The Senior Backend Engineer will develop innovative features for Xodo Sign and maintain the existing codebase while collaborating closely with the development team.

Responsible for developing and configuring SAP FPSL modules, supporting production users, testing, and enhancing the OneGL finance environment.

Lead software development projects, solve complex problems, enhance system performance, and define strategic engineering goals while collaborating with stakeholders.

Lead full‑stack projects for Upstart's Auto Refi and Auto Secured Personal Loans products. Collaborate with cross‑functional partners, make architectural decisions, deliver high‑quality, testable, resilient code, and propose ideas to improve product metrics and conversion.

Lead architecture and implementation of highly available, low-latency distributed services that synchronize shared client state. Define concurrency and conflict-resolution semantics, design for failure and recovery, own SLIs/SLOs and observability, drive cross-team alignment, mentor engineers, and deliver maintainable, tested systems at scale.

Lead AI feature development, integrate large models, collaborate cross-functionally, ensure technical quality, monitor AI advancements, and build user interfaces and tools for AI applications.