66 react js developer jobs at 42 companies in Cornwall, NY
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Full Stack Engineer (C#/React)
Manhattan, New York, United States
$101k-$134k/yrOnsiteFull Time
Rockstar GamesNASDAQ: TTWO: Developer and publisher of world-class interactive entertainment and games.
3+ YOE3+ years professional web development with C# and React, T-SQL and source control experience; degree in computer science or 3+ years equivalent; strong communication and Agile experience.
Subway: Global restaurant chain specializing in made-to-order submarine sandwiches.
6+ YOE6+ years software engineering experience; strong JavaScript, Node.js, ReactJS and React Native skills; experience with REST APIs, unit/integration testing, CI/CD, version control, databases; BS in CS or equivalent preferred.
Lead UI Engineer — React, TypeScript, Design-Led, AI-Driven Interfaces
Jersey City, New Jersey, United States
$152k-$215k/yrOnsiteFull Time
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
7+ YOE7+ years software engineering experience with deep JavaScript/TypeScript and advanced React expertise; experience with responsive design, performance optimization, REST APIs, testing, WCAG accessibility, agile teamwork, and responsible AI-assisted development practices.
Ralph LaurenNYSE: RL: Designs and sells premium lifestyle products including apparel and home goods.
2+ YOEBachelor's degree or equivalent and 2 years experience in software development with JavaScript, OOP, REST/SOAP, JS frameworks (Angular/jQuery/React), GraphQL, Node.JS; 1 year in native (Objective-C/Swift or Kotlin/Java) and hybrid (Ionic/React Native).
NewmarkNASDAQ: NMRK: Commercial real estate brokerage and property management services.
2+ YOEBachelor's in CS/IT or related plus 2 years developer experience in financial services; experience with Java, Spring Boot, Django, React, Python, SQL, HTML5/CSS3, AWS S3, Jenkins, Git, CI/CD, REST APIs and microservices.
Java, Spring Boot, Django, React, JavaScript, Python, SQL, HTML5, CSS3, Freemarker, Selenium, Cron Jobs, Spring Scheduler, Keycloak IAM, LDAP, Role Based Access Control (RBAC), Single Sign-On (SSO), Redis, Guava Cache, Parallel Processing, Spring Performance Libraries, REST APIs, Microservices, Data Lineage, Data Governance, AWS S3, Jenkins, Git, CI/CD, Agile, Scrum, Unit Testing, QA Automation, Automation, System Design, Performance Optimization, Enterprise Integration, Reporting Pipelines, Stress-testing workflows, Legacy System Migration, Process Optimization, FIX
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
5+ YOE5+ years commercial SPA development experience; degree in CS or related; strong JavaScript/HTML/CSS skills; experience with Vue/React/Angular, TypeScript, webpack/Vite, API integration, and AI/agentic development tools.
Vue 3, TypeScript, VueJs, Vuex, Pinia, Vite, Cypress, webpack, React.js, Angular.js, Claude Code, JavaScript, HTML, CSS, LESS
InformaLondon Stock Exchange: INF: Organizing international business events and publishing academic research journals
8+ YOE8+ years software development experience with strong React and Node.js skills, cloud and database proficiency, CI/CD and DevOps experience, and ability to design large-scale web applications.
Vantage Risk: Provides specialty insurance and reinsurance services using data analytics.
8+ YOERequires 8–10 years of full-stack software development experience, JavaScript, React, Node, Python, AI techniques, cloud, DevSecOps, CI/CD, Agile, and a bachelor's degree or equivalent experience.
Full Stack Developer – Securitized Products Technology
Whippany, New Jersey, United States
$190k-$230k/yrHybridFull Time
BarclaysLondon Stock Exchange: BARC: Global bank providing retail, corporate, and investment financial services.
Design and develop scalable cloud-based microservice APIs and front-end apps using Java, Springboot, Open Shift, AWS, Git, Maven, Jenkins, Angular/React; apply secure coding and unit testing practices.
Flatiron Health: Software platform for oncology data and clinical research.
1+ YOEBachelor's in CS or related and 1 year software engineering experience; experience with Python, JavaScript, AWS, PostgreSQL, React; strong communication and critical thinking.
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yrHybridFull Time
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
City of New York: Provides municipal services and administration for New York City.
5+ YOE5+ years .NET development experience with C#, web/client-server development, Microsoft Azure services, Oracle or Microsoft SQL Server, SDLC (Agile/Waterfall), and production support; bachelor’s degree preferred or equivalent experience.
Oracle, Microsoft SQL Server, C#, .NET, .NET (4.5), .NET (4.7), .NET (4.8), .NET Core, MVC, ADO.NET, Web Services, Web APIs, HTML5, CSS, JavaScript, jQuery, Bootstrap, WPF, MVVM, XAML, PHP, ASP, Python, Telerik UI, Node.js, React, Azure App Service, Azure Functions, Azure WebJobs, Azure Logic Apps, Azure Blob Storage, Microsoft Azure DevOps, Microsoft Active Directory, Microsoft SharePoint, Microsoft identity platform
IntuitNASDAQ: INTU: Provides financial software for accounting, tax, and personal finance.
8+ YOE8+ years building enterprise web applications; strong React and JavaScript experience; proficiency in OO languages (Java, Python, C++); experience with AI code-generation tools; test automation and CI/CD knowledge.
Subway: Global quick-service restaurant chain specializing in made-to-order sandwiches.
6+ YOE6–9 years of professional software engineering experience; JavaScript, Node.js, ReactJS, React Native, REST APIs, databases, version control, testing, and software architecture knowledge. Bachelor's degree or equivalent experience.
Livingston or New York City or San Francisco or Sunnyvale or Bellevue
$182k-$242k/yrOnsiteFull Time
CoreWeaveNASDAQ: CRWV: Specialized cloud infrastructure provider for high-performance AI workloads.
Experienced front-end engineer with strong JavaScript/TypeScript and React skills, visualization and performance engineering experience for large datasets, familiarity with Canvas/WebGL or charting libraries, and strong communication and collaboration skills. Export-control eligibility (US person or eligible) required.
Livingston or New York or Sunnyvale or San Francisco or Bellevue or Dallas
$115k-$168k/yrOnsiteFull Time
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
10+ YOE10+ years front-end experience with HTML, CSS/SCSS, JavaScript and modern frameworks (React, Next.js, Vue). Experience with large-scale site migrations, component libraries, Figma handoffs, Git/CI-CD, accessibility, SEO, and web performance.
The Vitamin Shoppe: Specialty retailer of vitamins, supplements, and wellness products.
7+ YOE7+ years software engineering experience, 4+ years Angular or React, strong Typescript/JavaScript, node.js, HTML5, AJAX/REST/JSON, CI and TDD experience, SEO and performance optimization knowledge.
10+ YOE10+ years software engineering experience, strong React and TypeScript front-end expertise, full‑stack familiarity with .NET/Python and SQL/NoSQL, Microsoft Azure and CI/CD experience, Bachelor’s degree in CS or related field.
React, TypeScript, JavaScript, HTML5, CSS, Next.js, Node.js, .NET, Python, SQL, NoSQL, Microsoft Power Pages, Microsoft Azure, App Services, Functions, Azure SQL, Storage, GitHub Actions, Azure DevOps