Top Senior Full-Stack Engineer Jobs in Boston, MA

Build enterprise-grade features for multi-location customers: frontend React+TypeScript interfaces, admin consoles, backend APIs, SSO/RBAC security, multi-tenant PostgreSQL architectures, and well-tested, maintainable code.

As a Full Stack Engineer, you will build features from database to UI, implement integrations, ensure stability, and improve the platform with a focus on technical excellence and user experience.

The Senior Full-Stack Developer will create software solutions jointly with clients, ensuring high-quality code and effective collaboration with the team.

The Senior Full Stack Engineer will build and enhance web visualization tools, collaborate with teams, support scalable APIs, and maintain CI/CD processes.

Lead modernization of a legacy .NET/SQL Server payment-integrity platform: migrate services to modern .NET, design reliable RESTful APIs, improve database performance, implement security and observability, and use AI agents to accelerate refactors and testing while partnering with product, UX, DevOps, and QA to ship high-quality features.

The role involves building and scaling a core product, owning major features, and influencing architecture in a healthcare AI startup while ensuring security and ethics.

Design, develop, and maintain scalable applications, focusing on front-end with React, while contributing to APIs and backend systems.

Lead full-stack projects, collaborate with teams to develop user-friendly features, mentor teammates, and handle on-call duties at Dropbox DocSend.

The Senior Full Stack Engineer will architect and ship scalable features, mentor teammates, and collaborate on improving the rental platform experience for users.

As a Senior Full Stack Engineer, you'll develop secure, user-facing data applications, collaborating with cross-functional teams while ensuring compliance with performance and security standards.

Lead development initiatives for SaaS products, focusing on backend architecture, frontend design, and AI/ML integrations, especially generative AI technologies.

The role involves shipping full-stack AI projects, designing experiments for AI features, and optimizing AI infrastructure while collaborating with teams.

The role involves shipping quality code, managing end-to-end projects, collaborating to improve user experiences, and scaling billing infrastructure and analytics.

The role involves leading features and full stack development of the payment and billing systems, integrating payment solutions, and optimizing user experiences.

Design, develop, and maintain scalable web applications, mentor junior developers, optimize performance, and ensure best practices in coding.

Design, build, and scale data integrations for healthcare systems, collaborating with teams and enhancing functionality while ensuring security and quality.

As a Senior Full Stack Engineer, you will design, build, and maintain products, enhance backend systems, and scale machine learning platforms in collaboration with the CTO and engineering team.

The Staff Fullstack Engineer will lead the technical architecture for the Growth Platform, integrate third-party systems, build full-stack solutions, and mentor engineers, focusing on marketing technology and user acquisition growth.

The Senior Full Stack Engineer will design and develop user-friendly experiences, lead product enhancements, mentor junior engineers, and participate in on-call rotations to ensure service reliability.

In this role, you will build backend systems, APIs, and data pipelines while enhancing Android features, integrating computer vision models into scalable applications.

The Senior Fullstack Engineer will autonomously deliver impactful software solutions, collaborating with various teams to innovate and scale the product, ensuring quality across development processes.

Design, build, and maintain scalable web applications using React.js and Node.js with TypeScript. Collaborate with cross-functional teams to deliver features, optimize performance, ensure security, automate deployments with DevOps, write tests, and participate in code reviews.

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

Design and implement frontend and backend features for digital asset wallet infrastructure. Collaborate with teams to enhance performance and scalability.