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871 senior react engineer jobs at 473 companies in Fairfield, CT

1mo
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Senior React Engineer
New York or India or Georgia
OnsiteContract
Lineate
Lineate: Provides custom software development and AI-driven technology solutions.
5+ YOE5+ years frontend experience with JavaScript (ES6+), React, HTML5, CSS3; production-grade frontend delivery, familiarity with UI5/Web Components, interest in AI/LLM technologies, strong testing and documentation practices. Candidates must be permanently based in India.
React, JavaScript (ES6+), HTML5, CSS3, UI5, Web Components, LLMs, MCP servers, IDP, Agentic RAG
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6d
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Senior React Developer
New York City, New York, United States
$130k-$216k/yr OnsiteFull Time
London Stock Exchange Group
London Stock Exchange GroupLondon Stock Exchange: LSEG: Provides financial market infrastructure and global data analytics services.
Strong JavaScript, TypeScript, HTML skills; cloud experience (Azure or AWS preferred); modern Agile and DevOps exposure; strong problem investigation and communication skills.
Javascript, HTML, Typescript, Azure, AWS
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2mo
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React developer
Irving or New York City
OnsiteFull Time
Virtusa
Virtusa: Digital engineering and IT business transformation services provider.
Expertise in Java (8+), Spring (Boot/Cloud/Data), React.js and Redux, REST/microservices, relational and NoSQL databases, cloud platforms, containerization, and CI/CD practices.
Java, React.js, Spring Framework, Spring Boot, Spring Cloud, Spring Data, PostgreSQL, Oracle, MySQL, MongoDB, Cassandra, Docker, Kubernetes, AWS, Azure, Google Cloud Platform, Jenkins, GitLab CI, GitHub Actions, Redux, Angular, Python, Devin AI
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5d
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Sr React Developer- New York
New York, New York, United States
$40k-$140k/yr HybridFull Time
Photon: A technology providing software and platform services for talent acquisition and hiring.
5+ YOEBachelor's degree, 5+ years frontend experience, 4+ years React experience, strong JavaScript/TypeScript, React Hooks, state management, REST/GraphQL integration, and frontend build tools.
React.js, Next.js, JavaScript (ES6+), TypeScript, Redux, Redux Toolkit, Zustand, Context API, HTML5, CSS3, Sass, Tailwind CSS, Material UI, REST, GraphQL, Jest, React Testing Library, Cypress, Vite, Webpack, Babel, npm, yarn, Git, GitHub Actions, Jenkins, Azure DevOps, AWS, Azure, GCP, OAuth2, JWT, OpenID Connect
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3mo
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Senior Software Engineer, Mobile (React Native)
San Francisco or New York City or Portland
$185k-$215k/yr HybridFull Time
Forerunner
Forerunner: AI-powered platform for government built environment management.
5+ YOE5+ years software engineering; 3+ years React Native; JS/TS and React; cross-platform mobile; mobile performance and UI/UX; RESTful APIs; native mobile knowledge; strong collaboration; adaptable in fast-moving env.
React Native, JavaScript, TypeScript, React, Redux, RESTful APIs
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1mo
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Senior Mobile Engineer (React Native)
New York City, New York, United States
$210k-$270k/yr HybridFull Time
dYdX
dYdX: Operates a decentralized exchange for cryptocurrency perpetual contracts.
5+ YOE5+ years software engineering experience with production React Native apps, proficiency in JavaScript/TypeScript, mobile architecture, iOS/Android publishing, testing, performance optimization, and cross-functional collaboration.
React Native, JavaScript, TypeScript, iOS, Android, Swift, Kotlin, React Query, Redux, Zustand, CI/CD
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2mo
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Senior Design Engineer
New York or San Mateo or United States
$147k-$202k/yr RemoteFull Time
Meadow
Meadow: Modern student financial services for higher education institutions.
4+ YOE4+ years in product design and front-end engineering; strong React/TS/JS; AI tooling experience; ownership of projects; collaboration with Eng/PM; strong portfolio.
React, TypeScript, JavaScript, Semantic HTML, CSS, Cursor, Claude, Codex
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1mo
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Senior Software Engineer (NodeJS, React)
Budapest or New York City or Washington or Vancouver or London or Galway or Munich or Bengaluru or Singapore or Sydney
HybridFull Time
Diligent
Diligent: Provides software for corporate governance, risk, and compliance management.
5+ YOE5+ years hands-on commercial development, strong SQL/RDBMS, microservices and REST API experience, cloud-native (AWS) experience; NodeJS/React, CI/CD, containers and mentoring skills preferred.
SQL, RDBMS, REST APIs, AWS, NodeJS, React, CI/CD, containers, GitHub actions, QuickSight, Lookr
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2mo
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Senior Software Engineer (Front-end)
New York, New York, United States
HybridFull Time
ExaCare
ExaCare: AI-powered platform for post-acute care operations and admissions.
4+ YOESenior frontend-focused fullstack engineer with React, Node.js or Python; strong frontend architecture, collaboration, and mentorship.
React.js, Node.js, Python, Frontend frameworks, Storybook, UI toolkits, Testing frameworks, PostgreSQL, MySQL, AWS, GCP, Sentry, Bugsnag, Datadog
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3mo
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Senior AI Engineer
Seattle or New York
$170k-$200k/yr OnsiteFull Time
Metropolis
Metropolis: Computer vision technology for checkout-free parking and retail payments.
6+ YOE6+ years software eng; 2+ years LLM/AI in production; strong Python; experience with LLM APIs; data engineering; workflow orchestration; AWS; product-focused; autonomous work style
TypeScript, React, Scala, Java, Snowflake, AWS, Git, GitHub, Copilot, Claude Code, Datadog, Airflow, Prefect, MySQL, PostgreSQL
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3mo
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Senior Software Engineer
New York, New York, United States
$160k-$200k/yr OnsiteFull Time
Craniometrix
Craniometrix: AI-powered care navigation platform for dementia patients.
5+ YOE5+ years software engineering; React and NodeJS; full-stack product development; autonomous in startup; AI-enabled software experience.
React, NodeJS, Postgres, Sentry
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2mo
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Senior Staff Engineer
Austin or New York City
$208k-$350k/yr HybridFull Time
Braze
BrazeNASDAQ: BRZE: Platform for personalized customer engagement and cross-channel messaging.
10+ YOE10+ years of software engineering with technical leadership across multiple teams; strong Ruby on Rails and frontend skills (TypeScript, React); proven ability to design infrastructure and mentor engineers.
Ruby on Rails, TypeScript, React, MongoDB, Event-driven architectures, Distributed systems, API Design
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3mo
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Desktop UI Frontend - React/Typescript Senior Lead Software Engineer
Jersey City or Jersey City
$171k-$260k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years in software engineering; expert in TypeScript/JavaScript/React; front-end UI development; SDLC knowledge; Bachelor's degree in a technical field.
TypeScript, JavaScript, React, HTML5, C#
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1w
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Senior Software Engineer
New York City, New York, United States
$170k-$190k/yr OnsiteFull Time
Neon
Neon: DTC commerce and payment platform for mobile game developers.
5+ YOE5+ years software engineering experience, full-stack with strong React and TypeScript skills, ability to lead projects, and work from New York City office.
React, TypeScript
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2mo
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Senior Fullstack Engineer
New York City, New York, United States
$185k-$215k/yr HybridFull Time
Copilot Money
Copilot Money: Mobile application for automated personal expense and budget management.
6+ YOE6+ years software engineering; experience with Node.js, React, TypeScript; backend API design; cloud experience; AI tooling; NYC-based; strong communication.
Node.js, React, TypeScript, GCP, AWS, Cloudflare, Firebase, CI/CD, AI coding tools
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3mo
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Front End Engineer (React Native)
New York, New York, United States
$160k-$280k/yr OnsiteFull Time
Bilt Rewards
Bilt Rewards: Loyalty platform offering rewards on rent and mortgage payments
6+ YOE6+ years React, 3+ years React Native; React Native, TS/JavaScript, Redux; strong UX, problem solving; able to write testable code; team player; startup experience preferred.
React, React Native, TypeScript, JavaScript, Redux
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4w
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Sr. Software Engineer (React Native)
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
Subway
Subway: Global restaurant chain specializing in made-to-order submarine sandwiches.
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
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1mo
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Senior Software Engineer
Austin or New York or Washington or United States
OnsiteFull Time
Sand Technologies
Sand Technologies: Develops industrial AI and digital twin solutions for enterprise operations.
5+ YOE5+ years in software engineering; CS/SE degree; backend (Django/Node), frontend (React/JS); cloud infra; APIs; data systems; 50-75% travel; not remote.
React, JavaScript, Django, Node.js, SQL, CI/CD, AWS, Azure, GCP
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3mo
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Senior Software Engineer
Boston or New York City
HybridFull Time
Clarasight
Clarasight: AI-powered operating system for corporate travel and expense management.
3+ YOE3+ years of software engineering; full-stack experience (React/TypeScript, Node.js, Python); startup/early-stage experience; experience with data pipelines, ETL, and analytics; quick learner.
React, TypeScript, Node.js, Python
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2mo
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Senior AI Engineer
New York or United States
$150k-$160k/yr RemoteFull Time
Holtzbrinck Publishing Group: Global media group publishing academic research, educational materials, and books.
Senior AI Engineer with full-stack capabilities; cloud-native AI products; deployment, monitoring, and optimization of AI models; strong software engineering; production systems; English communication.
Google Cloud, AWS, Firebase, Python, TypeScript, Django, Terraform, GitHub, Cloud Firestore, EventArc, PubSub, GCIP, Cloud Storage, Cloud Functions, React, BigQuery, GitHub Actions, Langfuse, Snowflake, PostgreSQL, Vertex AI, Weights & Biases
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