2,339 react jobs at 1,008 companies in California

1mo
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Sr. React Native Engineer
Santa Monica, California, United States
$175k-$350k/yr RemoteFull Time
Tapcart
Tapcart: Platform for Shopify merchants to create mobile shopping apps.
5+ YOE5+ years engineering/product experience; demonstrated frontend, backend, and database skills; active GitHub presence; experience with React Native and building AI agent orchestration preferred.
React Native, GitHub, Shopify
2mo
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AI-Native React Engineer
Truckee, California, United States
$140k-$210k/yr RemoteFull Time
PropertyRadar
PropertyRadar: Real estate data and lead generation for small businesses
Expert React + TypeScript engineer with agentic-native workflows, embedding AI features, and strong frontend architecture skills.
React, TypeScript, Tailwind, Radix primitives, Vite, OpenAI components, JSON-RPC 2.0, Sandboxed iframes
1mo
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Senior React Native Engineer
San Francisco or Los Angeles
$160k-$210k/yr OnsiteFull Time
Arena Club
Arena Club: Digital marketplace and vaulting service for sports collectibles
7+ YOEBachelor's in CS/Engineering, 7+ years mobile app development, proficiency in React Native and iOS/Android ecosystems, familiarity with Rx, IoC/DI, Bazel, A/B testing, analytics, CI and automated testing; experience leading mobile launches and using AI tools (Claude, Cursor).
React Native, iOS, Android, Rx, IoC/DI, Bazel, Claude, Cursor, A/B testing, analytics
2w
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Senior React Native / Expo Engineer
San Francisco, California, United States
$230k-$280k/yr OnsiteFull Time
Mochi Health
Mochi Health: Provides telehealth weight management and prescription medication services.
5+ YOE5+ years frontend experience with deep React Native and Expo expertise, TypeScript, mobile infrastructure, native health integrations, CI/CD and reliability ownership; strong communication and product focus.
React Native, Expo, TypeScript, Apple HealthKit, Google Health Connect, EAS, Config Plugins, Sentry, Codex 5.3, Claude Opus 4.6, Swift, Objective-C, Kotlin, Java
2mo
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Senior React Native / Expo Mobile Developer
Costa Mesa, California, United States
$70k/yr OnsiteFull Time
HR MGMT 10
HR MGMT 10: Provides employer of record and human resources support services.
Extensive experience with React Native and Expo; ability to ship mobile apps via App Store/TestFlight; familiarity with Claude AI; on-site in Costa Mesa.
React Native, Expo, Claude AI, TestFlight, App Store Connect, Google Play Console, Firebase, Supabase, AWS, REST, GraphQL, Git, CI/CD, Expo EAS
2d
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Remote JavaScript/React Engineer
San Francisco or Berlin or United States
$200-$300/hr RemoteContract
Turing
Turing: AI-powered platform connecting companies with global remote software developers.
3+ YOE3+ years software engineering experience, strong systems/infrastructure/backend expertise, proficiency with JS, Python, C/C++, Rust, Go, Java and ReactJS; excellent communication; must be US-based.
Python, C/C++, Rust, Go, Java, JavaScript, JS, ReactJS
1d
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Product Engineer (React)
San Francisco, California, United States
OnsiteFull Time
Rox
Rox: AI-powered revenue operating system with autonomous sales agents.
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
1mo
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Frontend Developer (React)
San Francisco, California, United States
RemoteFull Time
CareerSwift
CareerSwift: AI-powered recruitment and job search automation platform
Basic React experience, comfortable with HTML/CSS/JavaScript, Git proficiency, English communication skills, able to work independently. Side projects and coursework accepted.
React, HTML, CSS, JavaScript, Git
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
2mo
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Senior Front End Engineer (React/Next.js)
Huntington Beach, California, United States
$150k-$165k/yr OnsiteFull Time
Applied Business Software
Applied Business Software: Provides loan origination and servicing software for private lenders.
5+ YOE5+ years frontend experience with React/Next.js, TypeScript; strong UI/UX, API integration, and performance optimization.
React, Next.js, TypeScript, MUI, Zustand, React Query, CSS, AI tooling
2mo
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Staff Level Full Stack Engineer (React / Python)
San Francisco, California, United States
OnsiteFull Time
Sourcetable
Sourcetable: AI-powered spreadsheet platform that automates data analysis.
9+ YOEProven Python and React experience, 9+ years, CS degree or equivalent, startup experience, ownership of projects, focus on scalability and performance.
React, Python, Cassandra, SQL, NoSQL, Docker, CI/CD
1w
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Senior Full-Stack Developer (.NET/React)
Berkeley, California, United States
OnsiteFull Time
Access Softek
Access Softek: Provides digital banking software for credit unions and banks.
5+ YOE5+ years experience; strong C#, .NET/ASP.NET Core, TypeScript, React; HTML/CSS/SQL/MS SQL; API design, unit/integration testing, CI/CD; experience with legacy and service-based systems.
React, TypeScript, C#, .NET, ASP.NET Core, HTML, CSS, SQL, Microsoft SQL Server, AWS, Docker, Kubernetes, GitHub Copilot, Cursor, JetBrains AI, Claude
2w
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UI Engineer - Full-Stack (React/TypeScript, Python)
San Francisco, California, United States
$140k-$320k/yr OnsiteFull Time
Guild.ai
Guild.ai: Building a neutral control plane for production AI agents.
Strong production experience with React and TypeScript, comfortable working with Python backends, API design, frontend architecture, performance, testing, and collaborating with designers.
React, TypeScript, Python, Kubernetes, LLM, CLI
2mo
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Sr Full Stack Developer (React,Nodejs,Java)
Newport Beach, California, United States
$125k-$153k/yr OnsiteFull Time
Pacific Life
Pacific Life: Provides life insurance, annuities, and investment products for financial security.
6+ YOESenior full stack developer with 6+ years of software development experience, expertise in React, Node.js, Java; AWS, microservices, CI/CD, and REST/GraphQL; strong DB knowledge.
React, Node.js, Java, Python, AWS, Azure DevOps, GraphQL, SOAP/REST, SQLServer, PostgreSQL, DynamoDB, Docker, Kubernetes, CI/CD, DevSecOps
2mo
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Senior Software Engineer, Mobile Platform (React Native)
San Francisco, California, United States
$205k-$235k/yr HybridFull Time
Front
Front: Customer operations platform for collaborative team communication.
Experience building fast, real-time mobile apps; React Native; C/C++; product minded; thrives in a fast-paced, collaborative, high-growth environment; pragmatic problem-solving; leadership.
React Native, C/C++, JNI, Android NDK, Kotlin, TypeScript
3mo
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Debt Solutions - Principal Software Engineer (React/C#/AWS)
San Diego, California, United States
$211k-$297k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
10+ YOE10+ years enterprise software experience; strong architecture skills; AWS and security-minded development; full-stack with C#, JavaScript/TypeScript; React; data streaming; microservices.
AWS, C#, JavaScript/TypeScript, React, GraphQL, Terraform
1mo
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Staff Full Stack/Back End Engineer (NodeJS+React)
South San Francisco, California, United States
HybridFull Time
Deep Origin
Deep Origin: Platform for scientific simulation and drug discovery research.
10+ YOE10+ years building scalable distributed systems; 5+ years with React/TypeScript/JavaScript/NodeJS; experience with Postgres, MongoDB, Kubernetes, cloud infra, multi-tenant systems; authorized to work in the U.S.; strong system design skills.
React, TypeScript, JavaScript, NodeJS, Postgres, MongoDB, Kubernetes
1d
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Senior Full Stack Java Developer (React)
Mountain View, California, United States
$63k-$100k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
10+ YOE10+ years experience with Java, Spring Boot, Microservices; hands-on React.js, JavaScript/TypeScript, REST APIs, relational databases, Git, CI/CD, cloud platforms, Docker/Kubernetes.
Java, Spring Boot, Microservices, React.js, JavaScript, TypeScript, HTML5, CSS3, RESTful APIs, PostgreSQL, MySQL, Oracle, Git, CI/CD, AWS, Azure, GCP, Docker, Kubernetes
1d
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Senior Full Stack Java Developer (React)
Mountain View, California, United States
$63k-$100k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
10+ YOE10+ years Java/Spring Boot/Microservices experience, hands-on React.js/JavaScript/TypeScript, REST API design, relational DBs, Git and CI/CD, cloud (AWS/Azure/GCP), Docker/Kubernetes, Agile experience.
Java, Spring Boot, Microservices, React.js, JavaScript, TypeScript, HTML5, CSS3, RESTful APIs, PostgreSQL, MySQL, Oracle, Git, CI/CD, AWS, Azure, GCP, Docker, Kubernetes
2mo
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Debt Solutions - Principal Software Engineer (React/C#/AWS)
San Diego, California, United States
$211k-$297k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
10+ YOEBachelor's degree required; 10+ years building complex enterprise web applications; expertise in microservices, security, AWS, C#/Java/Python/JavaScript/TypeScript, databases, and event-driven architectures.
React, C#, Java, Python, JavaScript/TypeScript, GraphQL, Amazon Web Services (AWS), Lambda, DynamoDB, CloudWatch, CloudFormation, SNS, SQS, S3, API Gateway, Terraform, Kibana, Git, Azure DevOps, OpenID