46 senior react developer jobs at 24 companies in Montgomery, NY
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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
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
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
2mo
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Senior Research Engineer - Experimental Engineering
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
Senior research engineer with deep full-stack software engineering experience, strong applied AI/ML knowledge, prototyping and R&D experience, Python/FastAPI and frontend (React/React Native) familiarity, and ability to lead experiments and mentor engineers.
AI, Machine Learning, Python, FastAPI, React, React Native, RAG
2w
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Senior Software & Automation Engineer
Fort Lee, New Jersey, United States
$70k-$110k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience; strong backend (TypeScript/Node.js, Python), full-stack (React/TypeScript), SQL databases, GCP experience preferred, bilingual English/Korean, ability to own end-to-end work and build AI-enabled automation.
TypeScript, Node.js, Python, React, BigQuery, Dataform, Data Studio, Google Apps Script, MySQL, PostgreSQL, GCP, AWS, Claude Code, ERP, SQL
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
1w
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Senior Frontend Software Engineer - Global Commercial Services Technology
Phoenix or New York or Washington or Sunrise or Tallahassee
$123k-$215k/yr RemoteFull Time
5+ YOE5+ years frontend experience with React and TypeScript, expertise in Next.js/React Native, state management and type-safe APIs, strong design sensibility, leadership, and mentoring experience.
React 19, TypeScript, Next.js, React Native, Expo, Turborepo, TanStack Query (React Query), Zustand, tRPC, Tailwind CSS, class-variance-authority, Framer Motion, react-reanimated, Datadog RUM, Datadog APM, Amplitude, FullStory, Vitest, Github Actions
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
1mo
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Senior Software Engineer
Roseland, New Jersey, United States
$145k-$165k/yr HybridFull Time
5+ YOE5+ years full-stack experience with Microsoft stack, AI tool integration, REST APIs, MS SQL Server, and mentoring experience; Bachelor's degree preferred.
C#, .NET, React, Node.js, JavaScript, TypeScript, HTML5, CSS3, T-SQL, MS SQL Server, JSON, REST, XML, SOAP, Claude Code, VS Code, Microsoft Azure, SharePoint Online, Entra ID, Visual Studio, Git, Azure DevOps, SQL Server Management Studio, Microsoft Fabric, Power BI, Power Automate, Power Apps, Outsystems, GitHub Copilot, Azure OpenAI, OpenAPI/Swagger, OAuth 2.0, Aderant, Dayforce, Intapp, iManage, InterAction
1mo
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Senior Front-End & FHIR Interoperability Engineer
Parsippany, New Jersey, United States
$135k-$180k/yr HybridFull Time
6+ YOE6+ years software engineering experience building React/TypeScript front-ends, hands-on SMART on FHIR and EHR integrations, FHIR R4 and OAuth2/PKCE knowledge, CDS Hooks experience, and HIPAA/PHI familiarity.
React, JavaScript, TypeScript, FHIR R4, SMART on FHIR, CDS Hooks, USCDI v3, OAuth 2.0 with PKCE, EHR, EMR, Python, FastAPI, REST APIs, PostgreSQL, Microsoft Azure, Azure DevOps, CI/CD
2d
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Cyber Security Data Developer
Charlotte or Atlanta or Houston or New York City or Parsippany or Jersey City or Dallas
$105k-$148k/yr OnsiteFull Time
10+ YOERequires 10+ years in technology and 5+ years in enterprise UI development, with advanced React, Python, SQL Server or PostgreSQL, and cybersecurity, risk, cloud, or analytics experience.
React, Python, SQL Server, PostgreSQL, Node.js, TypeScript, AWS, Azure, GCP, Power BI, QlikView, SIEM
3d
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Senior QA Engineer
Fort Lee, New Jersey, United States
$120k-$160k/yr HybridFull Time
6+ YOERequires 6+ years of QA and test automation, 3+ years testing React UIs and RESTful APIs, 3+ years with C#, and proficiency in JavaScript and TypeScript. Strong communication skills required.
React, NextJS, C#, JavaScript, TypeScript, Specflow, Reqnroll
2mo
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Front End Engineer- Senior Associate
Washington or Orlando or Montvale or New York City or Dallas
OnsiteFull Time
3+ YOE3+ years front-end experience, strong JavaScript/TypeScript, experience with Angular or React, SDLC/Git/CI/CD and agile, Bachelor's preferred.
JavaScript, TypeScript, Angular, React, Git, Azure DevOps, CI/CD
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
2w
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UI Engineer
Parsippany, New Jersey, United States
$100k-$130k/yr OnsiteFull Time
8+ YOEHands-on TypeScript and React experience, Next.js, NestJS, monorepo (pnpm) experience, Vite, Storybook, MUI and AEM integration; 8+ years experience preferred.
TypeScript, React, Next.js, NestJS, pnpm, Vite, Storybook, Material UI (MUI), Adobe Experience Manager (AEM), Kafka, Redis, AWS
1w
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Principal Engineer
Bloomfield, New Jersey, United States
OnsiteFull Time
10+ YOE10+ years experience; expert React and TypeScript frontend; backend experience in Go, Python or TypeScript; cloud (GCP or AWS) and Terraform architecture; Docker, Kubernetes, CI/CD; observability (Prometheus, Grafana, Jaeger); systems design and mentorship.
React, TypeScript, Go, Python, GCP, AWS, Terraform, Docker, Kubernetes, GitHub Actions, GitLab CI, Prometheus, Grafana, Jaeger
2mo
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Senior Python Engineer - Applications Development Sr Programmer Analyst - C12 - RUTHERFORD
Rutherford, New Jersey, United States
$121k-$182k/yr HybridFull Time
8+ YOE8+ years application development experience, 5+ years leading Python/PySpark engineering for ELT/ETL; expertise with Databricks, SQL, data modeling, Data Mesh, microservices, containerization, and agentic AI integrations.
Python, FAST API, PySpark, Kafka, Databricks, Googles ADK, Google Flash 2.5+ LLMs, YAML, JSON, Spring boot, Devin.AI, Github Copilot, MCP, Starburst, Openshift, Kubernates, CI/CD, Cloudera, AWS, Azure, GCP, Angular, React JS, Docker, Kubernetes, SQL, Scala
2mo
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Senior Python Engineer - Applications Development Sr Programmer Analyst - C12 - RUTHERFORD
Rutherford, New Jersey, United States
$121k-$182k/yr HybridFull Time
8+ YOE8+ years application development, 5+ years Python/PySpark leadership; design and build scalable data pipelines, AI agent deployment, Databricks, Kafka, FastAPI, microservices, data mesh, SQL, and cloud platforms.
Python, FAST API, Microservices, PySpark, pyspark, Kafka, Databricks, Google ADK, Google Flash 2.5+ LLMs, Devin.AI, Github Copilot, MCP, YAML, JSON, Spring boot, Starburst, Cloudera, AWS, Azure, GCP, Angular, React JS, Docker, openshift, Kubernates, CI/CD, SQL
2w
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Full-Stack Engineer III (Contract to Hire)
Mount Arlington, New Jersey, United States
OnsiteContract, Full Time
7+ YOE7+ years full-stack engineering experience; expertise in React, Python/FastAPI, PostgreSQL; SSO/OIDC/Auth0 and third-party integrations; AI-assisted development and security-by-design; BS in Computer Science.
React, Python, FastAPI, PostgreSQL, Auth0, Veeva, SSO, OIDC
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