Top Senior Full-Stack Engineer Jobs in Boston, MA

The Senior Full Stack Engineer will develop scalable applications, manage both front-end and back-end tasks, and enhance platform engineering practices. Responsibilities include API development, database design, and technical documentation.

As a Senior Full Stack Engineer, you will drive AI adoption, build full-stack platforms, and automate engineering processes to enhance productivity across teams.

The Senior Software Engineer will lead initiatives, develop end-to-end solutions, mentor team members, and be responsible for high-quality product outcomes in an agile environment.

The Senior Full-Stack Developer will design, build, and maintain AIO Logic's cloud-based AXIS platform, utilizing React and Java/Spring Boot to deliver software solutions for complex financial workflows, collaborating with cross-functional teams, and mentoring junior developers.

The Senior Software Engineer will design, build, and support claims technology solutions, working extensively with Guidewire ClaimCenter, Java, and cloud technologies while ensuring alignment with architecture and cybersecurity standards.

The role involves building and maintaining a payments platform, ensuring high-quality code, improving functionalities, and collaborating with global teams to enhance product capabilities.

As a Senior Full-Stack Software Engineer, you will build AI-centric web applications, collaborate on product decisions, and manage project priorities. You'll work with TypeScript and modern frameworks to create high-quality user experiences.

As a Senior Full-stack Engineer, you'll lead user-facing development, mentor engineers, set technical direction, and leverage AI in workflows while coding 60-70% of the time.

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 and implement full-stack applications for GenAI, build developer tooling, collaborate with product teams, and enhance AI agent delivery.

Design and build scalable features for MongoDB's Internal Developer Portal using Backstage. Collaborate with teams to enhance developer workflows and internal tools.

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

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.

Lead software engineering projects, build distributed systems, secure and optimize software to handle high operation volumes in a healthcare setting.

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.

As a Senior Full-Stack and Platform Software Engineer at mabl, you will develop features for an AI-powered test automation platform, enhancing user experiences, designing APIs, and optimizing data pipelines while collaborating with cross-functional teams.

The Senior Fullstack Engineer will build foundational product features and integrations to drive user acquisition, optimization, and monetization at LangChain, collaborating with various teams for growth.

Lead the technical architecture and implementation for LangSmith, collaborating with teams, mentoring juniors, and ensuring code quality.

Lead end-to-end full-stack feature development using AI agents across frontend and backend: own requirements, architecture, implementation, testing, rollout, and monitoring while improving AI-native engineering workflows and reliability.

Rapidly triage and resolve customer-reported full‑stack bugs across 3D visualization, report/PDF generation, and databases. Independently investigate unfamiliar codebases, implement tested fixes, ensure performance integrity, collaborate with CSE to prioritize and deploy fixes, and reduce backlog velocity.

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.

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.

As a Senior Full Stack Engineer, you'll work with a cross-functional team to implement features, develop with TypeScript, and ensure scalability and reliability of applications.