27 react js developer jobs at 18 companies in Patchogue, NY
1mo
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Sr. Software Engineer (React Native)
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
6+ YOE6+ years professional software engineering experience; experience with JavaScript, Node.js, ReactJS, React Native; familiarity with REST APIs, databases, testing, CI/CD, version control, and Agile; bachelor’s degree preferred or equivalent experience.
JavaScript, Node.js, ReactJS, React Native, REST APIs, CI/CD
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
1mo
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Associate, Developer
New York, New York, United States
$110k-$130k/yr OnsiteFull Time
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
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
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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
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
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Full-Stack Basketball Systems Developer (Brooklyn Nets - Basketball Operations)
Brooklyn, New York, United States
$150k-$170k/yr OnsiteFull Time
3+ YOE3+ years building full-stack applications; strong proficiency with React, TypeScript, JavaScript, HTML, CSS, Node.js, SQL, and GitHub; Bachelor's in CS or equivalent; strong architecture, UI/UX, and collaboration skills.
React, TypeScript, JavaScript, HTML, CSS, Node.js, APIs, SQL, GitHub, Python, R, AWS, Azure, Google Cloud Platform, CI/CD
1d
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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
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
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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VP, Senior Software Engineer (Java)
New York, New York, United States
$180k-$220k/yr OnsiteFull Time
8+ YOEBachelor's in CS/Engineering, 8+ years designing and delivering Java-based APIs and microservices with Spring Boot and AWS, strong Kafka and SQL experience, TDD/BDD, Agile, and excellent communication.
Java, GraphQL, OpenAPI, gRPC, Spring Boot, AWS ECR, AWS EKS, AWS EC2, AWS Elastic Beanstalk, Kafka, SQL, Docker, Kubernetes, TDD, BDD, CI/CD, Angular, React, JavaScript, TypeScript, Salesforce, Tableau CRM, Cognos, Microsoft Power BI, MuleSoft, StreamSets, Databricks
1mo
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Senior Software Engineer
Long Island City, New York, United States
$130k/yr OnsiteFull Time
6+ YOE6+ years software development experience; backend and frontend experience; familiarity with security protocols; ability to design tests and mentor developers.
Postman, Wireshark, RealTerm, Angular, Golang, TypeScript, Delphi, C++, MySQL, Visual Studio, Eclipse, HTML, CSS, React, JavaScript, jsNode, jQuery, AJAX, Windows, Linux (Ubuntu), SQL, TLS, SSL, HTTPS
1mo
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Agentic Solutions Engineer
Shelton, Connecticut, United States
HybridFull Time
3+ YOE3+ years backend/full-stack engineering with expert Python and strong TypeScript/React skills; experience building REST/GraphQL APIs, Django/DRF, Celery/Temporal, PostgreSQL, MCP protocol familiarity, and cloud (AWS/GCP).
Model Context Protocol (MCP), REST, GraphQL, Python, TypeScript, JavaScript, Django, Django REST Framework (DRF), React, React-Admin, FastAPI, Celery, Temporal, Pydantic, httpx, pytest, Node.js, PostgreSQL, Snowflake, WebSockets, SSE, OAuth2, JWT, OpenAPI, Swagger, Redoc, AWS, GCP, Lambda, Cloud Run, S3, GCS, Docker, GitHub Actions, Flowise, LangChain, Claude, Anthropic, GA4, Meta, Google
1w
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Senior Forward Deployed Software Engineer (FDE)
Holtsville or Lincolnshire
$97k-$145k/yr HybridFull Time
5+ YOEBachelor's degree,5+ years software engineering experience (or 3+ with advanced degree),full-stack cloud and Android expertise,ability to deploy and debug in customer environments,and strong communication skills.
Java, Spring Boot, Hibernate, Node.js, Express, NestJS, JavaScript, TypeScript, ReactJS, Google Cloud (GCP), AWS, Azure, Docker, Kubernetes, CI/CD, Microservices, MySQL, PostgreSQL, MongoDB, Firebase, BigQuery, Android SDK, Kotlin, Claude Code, GitHub Copilot, Cursor, Git, GitHub
1mo
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Applications Manager, Energy Management
White Plains, New York, United States
HybridFull Time
2+ YOEBachelor's in a technical field, 2+ years software/data engineering experience (energy preferred). Proficiency with Java, C#/ASP.NET Core, Python/R, SQL Server, JavaScript/TypeScript, React, REST APIs, Git, CI/CD, and advanced data analysis.
Java, C#, .NET, ASP.NET Core, Python, R, SQL, SQL Server, JavaScript, TypeScript, React, Redis, PI Server, Yes Energy, Pharos, SignalR, WebSockets, Active Directory, Entra ID, SAML 2.0, Git, CI/CD, VBA, Microsoft Excel, Progressive Web Applications (PWAs), ETRM
2mo
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Level 1 Full Stack .NET Programmer-Analyst
Long Island City, New York, United States
OnsiteFull Time
3+ YOEBachelor's in CS or equivalent, 3+ years .NET/ASP.NET Core development, Angular/React experience, OOP and SDLC knowledge, Oracle/MS SQL skills, and strong communication.
Microsoft .NET (C#) 4.0/4.5/4.6, ASP.NET Core, ASP.NET MVC 5, Angular, React, REST, WCF, LINQ, Entity Framework, Dot Connect for Oracle, ADO.NET, HTML5, CSS3, SCSS/SASS, JavaScript, TypeScript, Node.js, Webpack, Oracle 10g, Oracle 11g, Oracle 12c, SQL Server 2012, SQL Server 2019, PL/SQL, MS SQL, SOAP, XML, JSON, TFS, GIT
3w
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Entry-Level AI Solutions Builder - On-Site
Farmingdale, New York, United States
$65k-$80k/yr OnsiteFull Time
Experience using AI tools and strong prompting skills; basic programming knowledge (Python, JavaScript, TypeScript); ability to learn new software quickly; good communication and problem-solving skills.
ChatGPT, Codex, Cursor, GitHub Copilot, Claude, Replit, Bolt, Lovable, Python, JavaScript, TypeScript, SQL, APIs, React, Git, Google Sheets, Microsoft Excel
3d
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Oracle Fusion Senior Architect
Grand Rapids or Los Angeles or Troy or New York City or Houston or Chicago or Owings Mills or Columbia or Richmond or Memphis or Raleigh or Boston or San Jose or San Francisco or Austin or Kalamazoo or Spokane or Denver or Fort Worth or Atlanta or Orlando or Dallas or Wilmington or Phoenix or San Antonio or Milwaukee or Madison or McLean or Huntsville or Melville or Woodbridge or Stamford or Miami or Philadelphia or Charlotte or Greenville or West Palm Beach or Costa Mesa or St. Louis or Fort Lauderdale or Seattle or Rosemont or Pittsburgh or Tulsa or Cincinnati or Cleveland or Columbus or Akron or Cherry Hill or Tampa or Minneapolis or Anchorage or Salt Lake City or Norfolk or Jacksonville or Boulder or Nashville or Oak Brook or Las Vegas or Indianapolis or San Diego or Baton Rouge or Ridgeland or Jackson or Tallahassee or Omaha
$145k-$175k/yr OnsiteFull Time
8+ YOEBachelor's degree required; 8+ years software development and 5+ years Oracle Fusion Cloud architecture experience, including OIC, VBCS, REST APIs, BIP, ESS, PL/SQL, and technical governance.
Oracle Integration Cloud (OIC), Visual Builder Cloud Service (VBCS), Oracle JET, Oracle Business Intelligence Publisher (BIP), Oracle Fusion Cloud ERP, Oracle Fusion Cloud HCM, Oracle Fusion REST APIs, PL/SQL, JavaScript, TypeScript, Microsoft Office Suite, React, Angular, Vue, Azure DevOps Pipelines, GitHub Actions, Oracle ATP, ORDS, Postman, Jest, Docker, Kubernetes
3w
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Technical Product Manager
Brooklyn, New York, United States
$100k-$110k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years product management or technical/solutions architecture experience, engineering/software development experience, retail/ecommerce and PLM/ERP knowledge, SQL and API proficiency, strong communication and stakeholder management.
MySQL, MSSQL, PostgreSQL, Postman, Ruby on Rails, React, Javascript, HTML, CSS, JIRA, Asana, Monday
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