121 react js jobs at 84 companies in Manchester, NH
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Senior Full Stack Engineer(React, Node.JS)
Boston, Massachusetts, United States
$155k-$175k/yrRemoteFull Time
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.
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
8+ YOE8+ years backend engineering experience with Node.js, TypeScript, GraphQL and AWS; strong microservices, database, CI/CD, container orchestration, and API design skills.
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
8+ YOE8-15 years backend engineering experience with Node.js, TypeScript, GraphQL and AWS; strong SQL/NoSQL and microservices skills; authorized to work in the US without sponsorship.
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$103k-$186k/yrHybridFull Time
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
4+ YOE4+ years frontend software development; strong TS/JS/React; Next.js; Rails familiarity; API integration; accessibility; testing; A/B testing; AI tools.
TypeScript, JavaScript, React, Next.js, Ruby on Rails, REST, GraphQL, Redis, Kafka, MySQL, Terraform, CI/CD, Monorepos, UI Libraries, AI Tools
InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.
Bachelor's or equivalent experience; strong Python and React JS skills; RESTful API development (FastAPI/Flask/Django); strong SQL/RDBMS knowledge; good communication and SDLC experience.
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
5+ YOE5+ years in software QA; Bachelor's or Master's in CS/Engineering; hands-on web app testing (React/HTML/JS) and Java microservices; SQL; QA automation; SDLC/Agile; financial services experience a plus.
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.
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.
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.
Bentley SystemsNASDAQ: BSY: Software for designing, building, and operating global infrastructure.
5+ YOE5+ years full-stack web development with 3+ years in Optimizely; deep C#/.NET Core/MVC backend and advanced HTML5/CSS3/JS frontend skills; experience with experimentation, personalization, and CI/CD.
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.
AgZen: AI-powered precision agriculture technology for optimized crop spraying.
5+ YOEBachelor's or equivalent,5+ years engineering experience,proficiency in JavaScript/TypeScript and React,Python or Go preferred,experience with SQL/ORMs.
Veeva SystemsNYSE: VEEV: Cloud-based software solutions for the global life sciences industry.
5+ YOE5+ years building production SaaS frontend applications with deep React and modern frontend expertise; strong communication and cross-functional collaboration.
KAYAK: Global travel search engine for flights, hotels, and rentals.
Foundational proficiency in HTML,CSS,JavaScript; experience with React and exposure to TypeScript; familiarity with Git; degree or equivalent practical experience; strong communication and collaborative skills.
React, TypeScript, Git, Claude Code, HTML, CSS, JavaScript
Acadian Asset ManagementNYSE: AAMI: Systematic investment management using quantitative data and technology.
6+ YOE6+ years full-stack development experience with Python, Ray, React, and JavaScript; strong backend, API, and database skills; investment domain knowledge; CFA a plus.