Top Senior Full-Stack Engineer Jobs in Boston, MA

Build full-stack, user-facing features alongside ML engineers using TypeScript, Node.js, GraphQL, and Postgres. Implement and integrate AI/LLM/ML tools, own features end-to-end from design to production, maintain scalability/reliability/observability, participate in code reviews and design discussions, and contribute to product ideation and RFCs.

Lead design, build, and scale GridUnity's cloud SaaS platform. Own end-to-end features, mentor engineers, drive architecture, improve scalability/reliability/security, collaborate with product teams, and introduce engineering best practices and tooling.

The Senior Full-Stack Software Engineer is responsible for building and maintaining software solutions, troubleshooting and debugging, and collaborating with various teams to enhance user-facing features, ensuring high-quality coding practices and documentation.

Design, build, and maintain resilient full-stack services for distributed financial SaaS systems. Lead end-to-end projects, optimize performance, ensure security and observability, mentor teams, and reduce technical debt.

Design, build, deploy, and optimize scalable full-stack applications integrating databases, APIs, and AI/LLM workflows. Lead architecture, CI/CD (ArgoCD, GitLab), Airflow pipelines, and collaborate cross-functionally to deliver production-grade fintech solutions.

Lead full-stack projects, collaborate with cross-functional teams, set high quality standards, mentor teammates, and participate in on-call rotations.

The Senior Full-Stack Engineer will develop user-facing features, maintain high-performance interfaces, implement backend APIs, and ensure product reliability and performance in a growing AI marketplace.

As a Senior Full Stack Engineer, you'll design and scale core features for Calendly's AI Notetaker, lead feature implementation, and mentor team members.

The Senior Full-Stack Developer is responsible for architecting, developing, and maintaining complex web applications. They collaborate with Marketing and IT to ensure successful implementation of strategic features, manage CI/CD pipelines, and advocate for best engineering practices.

Design and implement full‑stack features for the Creatives Library: build scalable, performant web applications, collaborate with product and design, write technical designs, own projects end‑to‑end, mentor junior engineers, and participate in code reviews using modern stacks.

Build end-to-end AI features across the stack: backend Go services orchestrating agentic workflows and tool integrations, frontend TypeScript/React experiences, APIs, workflow orchestration, performance and observability improvements, and mentor junior engineers.

Design and build core services for AI products, implement compliance guardrails, debug fullstack issues, and participate in code reviews.

Develop consumer-centric web applications, enhance usability, collaborate with designers, implement backend software and APIs, write tested code, and follow agile development cycles.

Design, develop, and maintain scalable software applications, particularly focusing on AI infrastructure and rapid prototyping based on customer feedback.

The Tech Lead/Full Stack Engineer will design core features, support system architecture, mentor junior engineers, and lead technical initiatives at Calendly.

Join Scribd as a Senior Full Stack Engineer, developing features for their document reading page, enhancing user experiences, and collaborating with cross-functional teams using React, Next.js, and Ruby on Rails.

The Senior Full-Stack Engineer will design, implement, and maintain systems for Trading API customers, focusing on both frontend and backend development, while leading projects and mentoring peers.

Lead technical discussions and design products based on vehicle telematics data. Collaborate with teams, ship features, and ensure customer satisfaction using real-time data insights.

As a Senior Software Engineer, you'll implement collaboration features, support team architecture, work across tech stacks, and improve developer experience.

As a Senior Software Engineer at Coinbase, you will develop full-stack solutions to facilitate the movement of money in crypto, ensuring reliability and excellent user experience.

The Full Stack Engineer will develop the BrandVNO platform, enhancing customer SDKs and ensuring high-quality telecom experiences across mobile apps.

As a Full Stack Engineer, you'll develop production-ready AI and ML features, build APIs, design scalable systems, and implement frontend solutions using Angular.

The Senior Frontend Engineer will enhance user productivity by developing a scalable collaboration platform, optimizing app performance, and leading feature design and implementation.

Develop and maintain the frontend using Vue.js, integrate with Django APIs, ensure application performance, and participate in code reviews for continuous improvement.

The Senior Fullstack Engineer will develop and maintain applications, translate requirements, debug issues, and improve system reliability using React, Python/Django, and AWS.