40 reactjs developer jobs at 22 companies in Yaphank, NY
4d
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Full Stack Software Engineer (Python)
Irving or Stamford
$74k-$116k/yr HybridFull Time
2+ YOEBachelor's in Computer Science or related,2+ years full-stack software development, strong Python knowledge, experience with Django/Flask, HTML/CSS/JavaScript/jQuery, relational SQL databases, and AWS or ReactJs.
Python, Django, Flask, HTML, CSS, JavaScript, jQuery, AWS, ReactJs, SQLServer, MySQL, PostgreSQL, HTTP, SOAP, REST, XML, JSON
1mo
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Engineer
Shelton, Connecticut, United States
$103k-$128k/yr OnsiteFull Time
2+ YOE2–5 years software engineering experience; proficiency with JavaScript, Node.js, ReactJS, and React Native; knowledge of REST APIs, databases, OOP, and version control; strong problem-solving and collaboration skills; bachelor's degree or equivalent.
JavaScript, Node.js, ReactJS, React Native, REST APIs, CI/CD
1d
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Sr. Software Engineer Web
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
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.
JavaScript, Node.js, ReactJS, React Native, REST APIs, CI/CD
1mo
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Application Developer
Bronx, New York, United States
$115k/yr OnsiteFull Time
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
1w
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Senior Frontend Developer
Greenwich, Connecticut, United States
HybridFull Time
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
3w
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Senior Software Developer
White Plains, New York, United States
$160k-$180k/yr HybridFull Time
5+ YOEBachelor's in Computer Science or related, 5+ years enterprise application development, experience with .NET, React, Python, C#, TypeScript, CI/CD and AI-enabled services; strong architecture and communication skills.
.NET, React, Python, C#, ReactJS, TypeScript
1mo
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Full Stack Developer, MarTech
New Haven, Connecticut, United States
OnsiteFull Time
5+ YOE5+ years full‑stack development with strong front-end focus (React, Tailwind); experience with PHP/Laravel, Node.js, SQL, CI/CD, Docker, accessibility, CMS-driven marketing, and translating Figma to production.
React, Next.js, Tailwind, Laravel, PHP, SQL, Node.js, GitHub Actions, Docker, Figma, Changesets, Turborepo, Yarn, NPM, JSON-LD, Adobe Experience Manager (AEM), Maven, Apache Sling Models, JCR/Oak, GTM, GA4, OneTrust, Search Console, Sentry, APM, Git, Microsoft Office
3mo
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Lead Software Engineer
New York, New York, United States
$175k-$250k/yr OnsiteFull Time
5+ YOE5+ years in full-stack development; startup experience a plus; strong JS/TS, React, Python, SQL, CI/CD, Git; experience with Gen AI models.
JavaScript, TypeScript, React, Python, SQL, CI/CD, Git, OpenAI/Anthropic Gen AI models
3w
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.NET Developer
Deer Park, New York, United States
$115k-$120k/yr RemoteFull Time
4+ YOE4+ years building C#/.NET applications, SQL Server, web framework experience (Blazor/ASP.NET/React), Git/SVN, RabbitMQ preferred, production support experience, AI tool (Claude) usage, clear written communication.
C#, .NET, SQL Server, Blazor, ASP.NET, React, Git, SVN, RabbitMQ, Jira, PagerDuty, Claude
2mo
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Senior Software Engineer - Compliance Technology
New York or Greenwich
$150k-$235k/yr OnsiteFull Time
10+ YOE10+ years software development; deep expertise in C#; production SQL queries; React/CSS; Python; AWS; Agile/SCRUM; DevOps (CI/CD, IaC); AI-assisted development tools; finance industry exposure a plus.
C#, SQL, React, CSS, Python, AWS, CI/CD, Infrastructure as Code, AI-assisted development tools
2d
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Software Engineer II-Hybrid Role
Greenwich, Connecticut, United States
HybridFull Time
2+ YOERequires 2–4 years of software development experience, a bachelor's degree or equivalent, proficiency in a core language/framework, RESTful APIs, relational databases, Git/GitHub, and strong analytical skills.
PHP, Laravel, Nova, Apiato, Java, C#, Python, Go, C++, JavaScript, React, Angular, jQuery, HTML5, CSS3, LESS, SASS, Material Design, Kotlin, Swift, Objective-C, React Native, Flutter, Retrofit, OkHttp, Firebase, MySQL, Oracle, Firebird, Amazon Web Services (AWS), Git, GitHub, Docker, Kubernetes, TensorFlow, PyTorch, scikit-learn, JIRA, Confluence, Crashlytics, New Relic, Azure, GCP, TDES, DUKPT, PAX, AMP, Magtek
1mo
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Senior Software Engineer, Manufacturing Systems
Glen Cove, New York, United States
$180k-$210k/yr HybridFull Time
5+ YOE5+ years engineering experience; full-stack development with React/Typescript and Node.js/Python; PostgreSQL, GCP/AWS, Kubernetes, Docker; experience designing MRP/MES or production systems preferred.
React, Typescript, Node.js, Python, PostgreSQL, GCP, AWS, GraphQL, REST, Kubernetes, Docker
1w
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Generative AI Lead Engineer
Dallas or Stamford or Chicago
$120k-$140k/yr HybridFull Time
Strong experience with generative AI, LLMs and prompt engineering; hands-on development using .NET, React, Python; designing RAG pipelines, model training/fine-tuning, and Azure deployments.
.NET, React, Python, Claude, LangChain, LlamaIndex, Azure
3mo
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Senior Software Engineer - Compliance Technology
Greenwich or New York
$150k-$235k/yr HybridFull Time
10+ YOE10+ years software development; expert in C#; SQL; React; CSS; Python; AWS; Agile/SCRUM; DevOps; AI-assisted tools; finance experience a plus.
C#, SQL, React, CSS, Python, AWS, CI/CD, infrastructure-as-code, AI tools
3d
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Application Developer – Internal Platform
Glen Cove, New York, United States
$125k-$150k/yr HybridFull Time
4+ YOERequires 4+ years building production web applications, strong C#/.NET and SQL Server experience, MVC knowledge, JavaScript framework familiarity, API design, and third-party platform integration experience.
C#, .NET, SQL Server, MVC, React, Vue, Alpine, Angular, Shopify, Galley, ShipStation, ASP.NET Web Forms, ASP.NET MVC, Razor, Microsoft Entra ID, ERP
2mo
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Software Engineer
New York City or Old Greenwich
OnsiteFull Time
0+ YOEStrong programming skills, SQL, and knowledge of one or more of C#, JavaScript, or TypeScript; Python helpful; experience with APIs, CI/CD, and AI tooling; strong problem-solving and ownership.
SQL, C#, JavaScript, TypeScript, Python, React, Angular, CI/CD
1mo
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Senior Frontend Engineer (React.js / Micro Frontends)
Stamford, Connecticut, United States
$145k-$175k/yr OnsiteFull Time
5+ YOE5+ years frontend experience with React.js, JavaScript (ES6+), HTML5/CSS3, state management (Zustand/Redux/Context API), testing (Jest/React Testing Library), RESTful APIs, Microsoft Azure/Azure DevOps, CI/CD, module federation/micro frontends, performance, security, and accessibility.
React.js, JavaScript (ES6+), HTML5, CSS3, Material-UI, Styled Component, Webpack, Rollup, Storybook, React-Router-Dom, Zustand, Redux, Context API, Jest, React Testing Library, RESTful APIs, Microsoft Azure, Microsoft Azure DevOps, CI/CD, module federation, Docker, Next.js, DevExtreme DataGrid, ExcelJS
2mo
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Senior Software Engineer, Calibration, Automation & Tools
New Haven, Connecticut, United States
$124k-$187k/yr HybridFull Time
5+ YOEBachelor's in CS/ECE/math/physics; 5+ years full‑stack experience; strong Python and another high‑level language (Java/Go/C/C++); front‑end frameworks (React/Angular/Vue.js); SQL and PostgreSQL/Oracle; Git, CI/CD, AWS; testing and strong communication.
Python, Java, Go, C, C++, React, Angular, Vue.js, PostgreSQL, Oracle, Git, AWS, CI/CD
1mo
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Senior Frontend Engineer (React.js / Micro Frontends)
Stamford, Connecticut, United States
$145k-$175k/yr OnsiteFull Time
5+ YOE5+ years frontend experience with React.js, JavaScript (ES6+), HTML5/CSS3; experience with Material-UI, Styled Component, Webpack/Rollup, Storybook, React-Router-Dom, state management (Zustand/Redux/Context API), custom hooks, Jest/React Testing Library, RESTful APIs, Microsoft Azure and Azure DevOps, CI/CD, module federation and micro frontend arc...
React.js, JavaScript (ES6+), HTML5, CSS3, Material-UI, Styled Component, Webpack, Rollup, Storybook, React-Router-Dom, DOM, Zustand, Redux, Context API, Jest, React Testing Library, RESTful APIs, Microsoft Azure, Microsoft Azure DevOps, CI/CD, module federation, Docker, Next.js, DevExtreme DataGrid, ExcelJS
2mo
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Generative AI Lead Engineer
Dallas or Stamford or Chicago
$120k-$140k/yr HybridFull Time
Generative AI, LLMs, prompt engineering; hands-on with .NET, React, Python; AI/ML architecture design (RAG); model training and optimization; Azure deployment
.NET, React, Python, LangChain, LlamaIndex, Claude, Azure
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