40 react node js developer jobs at 34 companies in Waltham, MA
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Senior Backend Developer (Node JS)
Plano or Boston
HybridFull Time
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
8+ YOE8+ years backend development experience with Node.js/TypeScript, GraphQL, AWS, SQL/NoSQL databases, CI/CD, containerization, and strong communication skills.
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
8+ YOE8+ years backend development experience with Node.js, TypeScript, GraphQL, AWS; experience with NestJS/Express, microservices, SQL/NoSQL databases, CI/CD, observability, and Agile delivery.
Linus Health: Digital health platform providing AI-powered cognitive assessment tools.
5+ YOE5+ years software engineering experience with expertise in React and Node.js, 3+ years building RESTful services, strong JS/TypeScript tooling experience, frontend performance optimization, and excellent communication.
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
3+ YOE3+ years software development with Angular 18+, TypeScript, React, RxJS, micro front-end, Java Spring boot and Node JS; experience with CI/CD and test automation; strong problem-solving and communication skills.
Boston or Salt Lake City or San Francisco or New York City
RemoteFull Time
Databento: Provides a pay-as-you-go financial market data platform.
5+ YOEMid/senior engineer experienced with TypeScript/JavaScript, building/maintaining JS client libraries, React/Redux front-ends, native integrations (N-API/node-addon-api/Wasm), and backend work in Python or Rust.
ZoomInfoNASDAQ: GTM: Provides B2B contact data and sales intelligence software.
6+ YOE6+ years mobile development experience with React Native, strong JavaScript/TypeScript skills, state management (Redux/MobX), testing (Jest, React Native Testing Library), cross-platform iOS/Android production experience, and mentoring ability.
EAB: Providing research and technology solutions to educational institutions.
6+ YOE6+ years in cloud-based software development with strong Ruby on Rails, React, MySQL/PostgreSQL, Docker, AWS experience; leadership, CS fundamentals, performance optimization, and mentoring skills.
Boston or Chicago or Dallas or New York or Oakland or Washington
$100k-$127k/yrHybridFull Time
Charles River AssociatesNasdaq: CRAI: Provides global economic, financial, and management consulting services.
3+ YOE3-5+ years in full-stack development; BS or MS in CS/SE; strong knowledge of JS/Python/Java; cloud and API experience; ability to lead cross-functional projects.
Boston Consulting Group: Global management consulting firm specializing in business strategy and transformation.
5+ YOEBachelor's in CS or related (or equivalent experience), 5+ years software development, proficiency with C#, .NET, Node.js, JavaScript/TypeScript, React, SQL, HTML5, CSS; experience with cloud (Azure/AWS) and AI/LLM integration.
CivilGrid: SaaS mapping platform for underground utility and site intelligence.
6+ YOE6+ years with JavaScript/TypeScript and Node.js, 2+ years with React, strong Postgres knowledge, geospatial familiarity (PostGIS/GeoJSON), cloud-native and microservices experience, degree in CS/Civil or related.
Boston Globe Media: Publishes and distributes independent news and journalism in New England.
5+ YOE5+ years building .NET/C# applications, SQL database experience, REST API development, web frontend skills, version control (Subversion/Git), agile experience, strong communication and mentoring ability.
.NET, C#, MySQL, Postgres, SQL Server, HTML, CSS, JavaScript, Subversion, Git, React, Node.js, Piano ID
Mitsubishi Electric Iconics Digital Solutions: Provides industrial automation, SCADA, and IoT software solutions.
8+ YOE8+ years software development experience, proven technical leadership, production experience with generative AI, cloud-native architectures, full-stack development, and a bachelor's in CS or equivalent practical experience preferred.
Merrimack or Massachusetts or Pennsylvania or Minnesota or Texas or Arizona or Oregon or California
$101k-$150k/yrRemoteFull Time
CelesticaNYSE: CLS: Provides design, manufacturing, and supply chain solutions for electronics.
6+ YOE6+ years experience building full-stack, cloud-native GUI applications; expertise with modern JS frameworks, GUI automation, backend services, CI/CD, and AI/ML integration in networking and data center contexts.
ToastNYSE: TOST: Cloud-based technology platform for the restaurant and hospitality industry.
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.
Counsel: Provides AI-powered virtual medical consultations through asynchronous messaging.
5+ YOE5+ years building production frontend software; deep fluency in TypeScript/JavaScript/CSS; strong command of React and Next.js; experience with design systems, state management, testing, and web performance; familiarity with AI/ML and LLM applications.
Charles River Analytics: Develops human-centered AI and intelligent systems for national security.
7+ YOEU.S. citizen with Bachelor's/Master's in CS/Engineering, 7+ years software development experience, DevSecOps familiarity, leadership and mentoring experience, willingness to travel occasionally for customer briefings and test events.