266 senior full stack developer jobs at 148 companies in Tewksbury, MA
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Senior Full Stack Engineer
Boston, Massachusetts, United States
$126k-$154k/yrHybridFull Time
Blue Cross Blue Shield of Massachusetts: A tax-paying nonprofit Massachusetts health insurance plan serving individuals, families, businesses, and three million members.
8+ YOESenior software engineer with emphasis on test automation, QA governance, and full-stack development.
Boston or Chicago or Los Angeles or New York City or Rochester or San Francisco or Washington
$107k-$193k/yrRemoteFull Time
Nixon Peabody: Sophisticated legal solutions that spark positive impact.
8+ YOE8+ years full stack development experience, Bachelor's in CS or equivalent, deep expertise with Microsoft stack, frontend and backend frameworks, SQL Server, Azure, CI/CD, testing, and leadership/mentoring experience.
Kelmar Associates: Private professional services helping government agencies manage and administer abandoned and unclaimed property programs.
5+ YOE5+ years in modern full-stack web apps; Angular and Spring Boot; AWS serverless/Kubernetes; MySQL/OpenSearch; CI/CD; mentoring; client interaction.
HumanaNYSE: HUM: Health insurance and care services provider.
5+ YOEBachelor's in CS or related,5+ years software design/development experience,4+ years full stack experience,1-2 years platform reliability/SRE focus,testing and observability expertise,strong communication.
Leader Bank: Massachusetts-based community bank providing personal, business, commercial, mortgage, and municipal banking services.
4+ YOEBachelor's degree or equivalent experience, 4+ years of full-stack software development, modern web technologies, RESTful APIs, databases, AWS, Git, CI/CD, Agile, and AI/LLM experience.
Leader Bank: Massachusetts-based community bank providing personal, business, commercial, mortgage, and municipal banking services.
4+ YOEBachelor's degree or equivalent experience; 4+ years developing enterprise applications across the full stack. Requires JavaScript, APIs, databases, AWS, Git, testing, CI/CD, Agile, and AI/LLM experience.
National GridNYSE: NGG: Multinational electricity and gas utility provider.
5+ YOESenior experience delivering AI-enabled digital products; strong TypeScript and React skills; full-stack web development with Next.js; conversational AI, agentic systems, APIs, security, testing, evaluation, and observability experience.
TypeScript, React, Next.js, Vercel AI SDK, LangGraph, LangChain, Payload CMS, GitHub Copilot, Claude Code
5+ YOE5+ years experience, bachelor's in CS/SE/IS or equivalent, full-stack web development, server-side and database design, Git, strong communication, eligible for US export control license.
NineTwoThree AI Studio: NineTwoThree is a private AI product studio delivering custom software and automation for enterprise companies and funded startups.
5+ YOERequires 5+ years in full-stack development with React, Node.js, JavaScript, TypeScript, and SQL; cloud platform knowledge, microservices, APIs, databases, technical leadership, and English communication.
nirvanaHealth: Private healthcare technology providing integrated payer and pharmacy-benefit-management platforms and services to health plans and employers.
6+ YOE6+ years full-stack development experience with deep Node.js expertise; experience with Angular, JavaScript, SQL/NoSQL (MongoDB), AWS (S3, Lambda), CI/CD, RESTful APIs, unit/integration testing, security, and Agile processes. Bachelor's in CS/IT required.
Fidelity Investments: Provider of investment, retirement, and financial planning services.
8+ YOERequires 8+ years of full-stack software engineering experience, a bachelor's degree or equivalent, React and Python expertise, CI/CD leadership, Agile knowledge, and mentoring experience.
React, Python, Azure, Microsoft .NET, Microsoft .NET MVC, Microsoft React framework, JavaScript, TypeScript, Node, NPM, HTML, CSS, SPFx, Microsoft Azure DevOps, GitHub Actions, Microsoft Fabric, Microsoft Power Platform
John Hancock Life & Health Insurance Company: U.S. life and long-term-care insurer serving individual, group, and institutional customers.
8+ YOE8+ years full-stack development experience; strong .NET 8, C#, ASP.NET Core, Entity Framework; React and TypeScript; experience building scalable APIs and distributed systems; GitHub/GitHub Actions and CI/CD; unit/integration testing; Bachelor’s or equivalent.
Microsoft .NET 8, C#, Microsoft ASP.NET Core, Microsoft Entity Framework, React, TypeScript, RESTful APIs, GitHub, GitHub Actions, CI/CD, Microsoft Azure, Microsoft Azure Kubernetes Service (AKS), Docker
6+ YOE6+ years full-stack experience with React, Gatsby, JavaScript, HTML, CSS; headless CMS and REST/GraphQL integration experience; strong communication and problem-solving skills.
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
4+ YOEBachelor's degree in CS or equivalent experience, 4+ years professional software development, full-stack web app delivery, API integration, frontend framework proficiency, SQL schema and query design, Git, and automated testing.
ASP.NET Core, Blazor, MudBlazor, C#, SQL Server, Dapper, FluentValidation, Git, HTML, CSS, JavaScript, TypeScript, CI/CD, Active Directory
Nexamp: U.S. clean-energy developer and owner serving communities and businesses with community solar and energy-storage projects.
7+ YOE7+ years full stack experience with React, TypeScript, Python (Django/FastAPI), SQL, cloud platforms (Azure), Git, CI/CD, and Terraform; strong communication, debugging, and mentorship skills; financial modeling experience a plus.
Sincere Corporation: Privately held consumer-internet technology building digital platforms for celebrations, weddings, and shared memories.
7+ YOE7+ years professional software development; experience across Ruby on Rails, TypeScript, React/Next.js, relational and NoSQL databases, cloud infrastructure (AWS), containerization, and AI-assisted tools; strong product and UX focus.
Ruby on Rails, TypeScript, React, Next.js, MySQL, Postgres, Redis, MongoDB, Sidekiq, OpenSearch, AWS, Docker, Claude Code, Codex, Datadog, Mixpanel, Terraform
4+ YOE4+ years professional software development with strong front-end (React/TypeScript) and full-stack ability; ability to obtain U.S. Secret clearance; bachelor\u0002s or equivalent; secure-coding familiarity (DoD STIGs); client-facing experience.
React, JavaScript, TypeScript, Python, FastAPI, REST, SQL, Git, AWS, Docker, Power BI, DoD STIGs, CI/CD
Realtime Robotics: Private industrial automation software helping manufacturers and robotics integrators plan, optimize, and deploy multi-robot workcells.
5+ YOE5+ years building/operating production full-stack or backend-heavy systems; strong TypeScript, React, Next.js, AWS, CDK/Terraform, CI/CD; relational/NoSQL DBs; distributed systems; US work authorization required.