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2,487 react engineer jobs at 937 companies in California

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React Developer (US)
New York City or Chicago or Austin or San Francisco
$85k-$165k/yr HybridFull Time
EdgeQ Technologies Private Limited
EdgeQ Technologies Private Limited: A private U.S. staffing and recruitment firm connecting IT, healthcare, and other professionals with employers.
1+ YOE1-5 years professional frontend development experience; strong React, JavaScript, TypeScript, HTML5, CSS3; experience with REST APIs and Git; problem-solving and communication skills.
React, JavaScript, TypeScript, HTML, CSS, REST APIs, Git
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1w
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React Native Developer
Sunnyvale or United States +1 more
$70k-$100k/yr RemoteFull Time
Cognizant
CognizantNASDAQ: CTSH: Global professional services providing technology and consulting services.
5+ YOE5+ years software development experience with strong React Native; solid mobile development principles; understanding of end-to-end app development; JavaScript build tools; software design patterns; authorized to work in US without sponsorship.
React Native, JavaScript
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4w
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Senior Frontend React Engineer
California or United States
$130k-$145k/yr RemoteFull Time
Modern Family Law
Modern Family Law: Private family law firm providing divorce, custody, support, and related legal services to families.
Production experience with React and TypeScript, frontend architecture, state management, forms, routing, authentication, API integration, accessibility, performance, and automated testing.
React, TypeScript, Vite
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2mo
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Senior React Native / Expo Engineer
San Francisco, California, United States
$230k-$280k/yr OnsiteFull Time
Mochi Health
Mochi Health: Private telehealth serving patients with personalized virtual clinical care, weight management, and treatments across 120+ conditions.
5+ YOE5+ years frontend experience with deep React Native and Expo expertise, TypeScript, mobile infrastructure, HealthKit/Health Connect integrations, EAS, and strong product sense for healthcare apps.
React Native, Expo, TypeScript, Apple HealthKit, Google Health Connect, EAS (Expo Application Services), Config Plugins, Swift, Objective-C, Kotlin, Java, Sentry, Codex 5.3, Claude Opus 4.6
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3mo
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Product Engineer (React)
San Francisco, California, United States
OnsiteFull Time
Rox Data Corp
Rox Data Corp: Private B2B SaaS providing AI revenue agents that automate sales workflows for enterprise teams.
Expert-level React experience, frontend architecture and performance, production React apps, middle-tier/API orchestration, Next.js/TypeScript preferred, strong engineering fundamentals.
React, Next.js, TypeScript
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6d
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Senior Mobile Engineer (React Native)
San Francisco, California, United States
$170k-$240k/yr HybridFull Time
Abby Care
Abby Care: Private healthcare technology that trains, employs, and supports family caregivers delivering care at home.
5+ YOE5+ years software development experience, expert in React Native, strong engineering foundation, product-minded, experience with AI tools like Cursor/Copilot/Claude preferred, backend familiarity with Python preferred, healthtech experience preferred.
React Native, Cursor, Copilot, Claude, Python
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1mo
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Senior Software Engineer, React Native
San Mateo, California, United States
$190k-$250k/yr HybridFull Time
Skydio
Skydio: American autonomous-drone manufacturer serving public safety, government, utility, and enterprise customers.
5+ YOE5+ years building customer-facing mobile apps with React Native; strong React, TypeScript, GraphQL; Swift/Kotlin native modules; real-time data features; FAA Part 107 certification encouraged; hybrid work in San Mateo.
React Native, React, TypeScript, GraphQL, Swift, Kotlin, WebRTC, LiveKit, Mapbox, Cesium, OpenGL, WebGL, WebGPU, Three.js, Expo, Fabric, TurboModules
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2mo
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Software Engineer, Frontend (React)
North America or San Francisco or London or Hyderabad
RemoteFull Time
Plane
Plane: Plane is a private open-core work management platform for teams, combining project tracking, knowledge management, and AI.
Production experience with React and TypeScript, state management, CSS, responsive interfaces, and shared component libraries; experience optimizing frontend performance and collaborating across teams.
React, TypeScript, Tailwind CSS, MobX, React Router, ProseMirror, CodeMirror, Lexical, Tiptap, Service Workers, IndexedDB, Electron, Vite, Rolldown, Python, Django, Golang, Elixir, Postgres, Redis, REST, GraphQL, Datadog, Sentry, GitHub, Plane, Figma, Slack
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2mo
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Staff Software Engineer, Home Pod (React Native)
San Francisco, California, United States
$192k-$288k/yr HybridFull Time
Hinge Health
Hinge HealthNYSE: HNGE: Public digital MSK clinic using AI, wearable technology, and clinicians to treat joint and muscle pain.
4+ YOE4+ years software engineering experience, 2+ years React Native, BS in CS/Engineering or equivalent, strong TypeScript/JavaScript skills, experience with server-driven UI and experimentation preferred.
React Native, TypeScript, JavaScript, Node, GraphQL
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Front-end Software Engineer (React)
Palo Alto, California, United States
$125k-$150k/yr HybridFull Time
Quantifind
Quantifind: Private SaaS helping financial institutions and government agencies detect financial crime with AI.
2+ YOE2+ years professional React experience; BS or MS in Computer Science; professional experience with JavaScript, HTML5, CSS3, Redux, REST APIs, unit and integration testing; familiarity with Express.js and Postgres preferred.
React, Redux, JavaScript, HTML5, CSS3, Express.js, Postgres, REST APIs, Kubernetes, Docker, Scala, Python, Spark
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1mo
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Lead Software Engineer - Full Stack/Java/ React
Palo Alto, California, United States
$157k-$215k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services and investment banking firm.
5+ YOE5+ years applied experience in software engineering; proficiency in React, JavaScript, Java, Spring Boot, microservices; experience with Rabbit MQ, Kafka, Kubernetes; cloud-native experience; agile methodologies; subject to FDIC Section 19 review.
React, JavaScript, Java, Spring Boot, Micro-services, Rabbit MQ, Kafka, Kubernetes, CI/CD
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2mo
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Full-Stack Developer (Microsoft & React Stack)
Pfäffikon or San Francisco or New York City or Dublin or London or Paris or The Hague or Luxembourg City or Frankfurt am Main or Vaduz or Dubai or Beijing or Hong Kong or Tokyo or Singapore or Sydney
HybridFull Time
LGT ILS Partners
LGT ILS Partners: Swiss private asset manager specializing in insurance-linked strategies for institutional and professional investors.
5+ YOEUniversity degree or equivalent, 5+ years of software development experience, and strong hands-on skills in React, TypeScript, Microsoft SQL Server, T-SQL, .NET, and C#. Production support and CI/CD experience required.
.NET, React, TypeScript, Microsoft SQL Server, T-SQL, C#, IIS, Windows Server, DevExpress, DevExtreme, CI/CD
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1mo
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Full-stack developer with UI react JS
California, United States
OnsiteContract
Mphasis
MphasisNSE/BSE: MPHASIS: A global provider of information technology and consulting services.
6+ YOE6-8 years full-stack development experience with React.js; proficiency in Golang, Java, Python, Spring Boot, NodeJS, React, Redux, MySQL/MongoDB, AWS, CI/CD, RESTful APIs, and Git; excellent communication and collaboration skills.
React, React Hooks, Redux, NodeJS, NestJS, TypeScript, Golang, Java, Python, Spring Boot, Spring, Microservices, MySQL, MongoDB, Oracle, AWS, CI/CD, RESTful APIs, Git
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2mo
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Senior UX Engineer
Hyderabad or San Francisco or New York City or Austin or Seattle or United Kingdom
HybridFull Time
Demandbase
Demandbase: Private B2B software providing AI-powered account-based marketing and go-to-market tools.
8+ YOE8+ years of UX and product judgment, strong frontend engineering, React and TypeScript expertise, AI-assisted development proficiency, production web application experience, and strong cross-functional communication.
React, TypeScript, Figma
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3mo
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Software Engineer (Frontend)
San Francisco, California, United States
OnsiteFull Time
Petra Security
Petra Security: Private cybersecurity providing identity threat detection and response for Microsoft 365 MSPs.
Frontend engineering experience building production React/TypeScript UIs; familiarity with Node and Python; strong product design sensibility, prototyping skills, and experience shipping customer-facing software.
React, TypeScript, Node, Python, Figma
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3mo
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Staff Engineer - Intelligent Customer Experiences
San Francisco, California, United States
$258k-$367k/yr OnsiteFull Time
Adyen
AdyenEuronext Amsterdam: ADYEN: Global financial technology platform for payments and financial services.
Product-minded architect with applied AI experience (LLMs, RAG), production-grade full-stack skills, security-by-design for financial data, strong Java and TypeScript/React/Vue expertise, and experience mentoring engineers.
Java, TypeScript, React, Vue, LLMs, RAG
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1mo
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Partner Solutions Engineer
San Francisco, California, United States
$176k-$225k/yr HybridFull Time
Vercel
Vercel: Software providing developer infrastructure for teams building web applications and AI agents.
4+ YOE4+ years as solutions engineer/architect/tech lead, 6+ years building frontend apps with Next.js or React, experience with AI SDK and agentic applications, strong communication, 25% travel.
Next.js, React, AI SDK, Eve
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3w
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Developer Relations Engineer
San Francisco, California, United States
HybridFull Time
Limrun
Limrun: Remote cloud-based Xcode, iOS, and Android simulators for AI coding agents and mobile development teams.
3+ YOE3+ years relevant professional experience; ability to write and debug software independently; hands-on experience with at least one mobile development stack (Swift, Kotlin, React Native, or Flutter); clear written and spoken English; experience creating useful developer resources.
Xcode, iOS Simulators, Swift, Kotlin, React Native, Flutter
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