1,347 senior react engineer jobs at 661 companies in California

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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
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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
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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, 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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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
3w
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Senior Software Engineer, React - Endpoint State and Control Team
California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Massachusetts or Maryland or Maine or New Jersey or North Carolina or New York or Ohio or Oregon or Tennessee or Texas or Virginia or Washington or Austin or Tampa
$140k-$200k/yr HybridFull Time
NinjaOne
NinjaOne: Unified IT platform for automated endpoint management and security.
7+ YOE7+ years frontend experience with expert React and TypeScript, strong testing habits, experience with complex data-driven UI, API contract design, and server-state management.
React, TypeScript, Java, Kotlin, C++, Golang, Postgres, AWS, React Query (TanStack Query), Jest, React Testing Library, Figma, pnpm
1w
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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
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Senior Software Engineer
San Francisco, California, United States
HybridFull Time
Scope
Scope: Building custom AI systems and agents for enterprise workflows.
6+ YOESenior software engineer with 6+ years of production experience across frontend and backend; proficient in Python, TypeScript, React/Next.js; Docker/Kubernetes on cloud; CI/CD; and LLM frameworks.
Python, TypeScript, React, Next.js, Docker, Kubernetes, Terraform, CI/CD, LangChain, LangGraph, Anthropic SDK, OpenAI SDK, MCP, GCP, AWS
2mo
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Senior Frontend Software Engineer - Marketplace
San Mateo, California, United States
$197k-$243k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
3+ YOESenior frontend engineer with 3+ years experience in React/React Native, strong UX focus, cross‑platform delivery.
React.js, React Native, JavaScript
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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
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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
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Senior Staff Engineer
New York City or San Francisco
$208k-$350k/yr HybridFull Time
Braze
BrazeNASDAQ: BRZE: Platform for personalized customer engagement and cross-channel messaging.
10+ YOE10+ years software engineering, multi-team technical leadership, strong Ruby on Rails and frontend (TypeScript/React), built foundational infrastructure, architectural judgment, mentoring, reliability focus.
Ruby, Ruby on Rails, TypeScript, React, MongoDB, Event-driven architectures, Distributed Systems, API Design
2w
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Senior Software Engineer
Brea, California, United States
$130k-$147k/yr HybridFull Time
RAVE Aerospace
RAVE Aerospace: Developing in-flight entertainment and connectivity systems for airlines.
6+ YOEBachelor's in Engineering/CS or equivalent, 6+ years software development, experience with C/C++ and modern stacks (Qt/QML, Node.js, Golang, React, Typescript, Python), and systems-level debugging.
C, C++, Linux, UNIX, Microsoft .NET, C#, JavaScript, SQL, Qt/QML, Node.js, Golang, React, Typescript, Python, PostgreSQL, Docker, MQTT, Microservices, npm, Bower, Webpack
3mo
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Senior Security Engineer
Austin or Chicago or Dallas or Denver or Los Angeles or San Diego or San Francisco
$131k-$169k/yr HybridFull Time
Karbon
Karbon: Practice management software for accounting firms.
4+ YOESenior Security Engineer with 4+ years in security or development; strong communication; cloud and AI experience; hands-on with security tooling and threat modelling.
DotnetCSharp, JavaScript, React, EmberJS, Python, Azure, AWS, GCP, PowerShell, Bash, GitHub Copilot, Burp Suite
2mo
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Senior Design Engineer - Top of Funnel
San Francisco or New York or Portland or Canada or United States
$167k-$208k/yr HybridFull Time
Mercury
Mercury: Banking services and financial software designed for startup companies.
Senior frontend engineer with design sensibility: expert HTML/CSS and web animation (GSAP, Web Animations API), proficient in React and Next.js, experience as technical lead, familiarity with headless CMS (DatoCMS), strong performance focus and portfolio required.
HTML, CSS, GSAP, Web Animations API, React, Next.js, DatoCMS
3mo
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Senior Full Stack Software Engineer (Network)
San Jose, California, United States
$156k-$315k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
6+ YOESenior full stack engineer with React/Node.js, REST APIs, networking knowledge; 6+ years exp; hybrid San Jose, CA.
React, Redux, JavaScript, Node.js, REST APIs, Mocha, Linux
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Senior Software Engineer
San Francisco, California, United States
$146k-$235k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provides electronic signature and agreement management software solutions.
8+ YOEBachelor's in CS or STEM with 8+ years of software engineering experience; full-stack with Java/JavaScript-TS, React; experience with Oracle Fusion Cloud APIs, OIC, Python, AI/ML, cloud-native tech, and CI/CD.
Java, JavaScript, TypeScript, React, OIC, VBCS, APEX, Groovy, PL/SQL, Oracle Fusion Cloud APIs, Python, Django, FastAPI, REST, SOAP, JSON/XML, Docker, Kubernetes, AWS, Azure, Oracle OCI, Jira, Confluence, GitHub Co-Pilot, LLMs, MLOps, RAG
2mo
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Senior Software Engineer, App
Cambridge or San Francisco
$144k-$240k/yr HybridFull Time
Lila Sciences
Lila Sciences: Develops an AI platform for autonomous scientific research and discovery.
5+ YOEBachelor’s or Master’s in CS/Engineering; 5-8+ years backend/full-stack exp; React, TypeScript, FastAPI, Python; AWS, Kubernetes; AI tooling; strong collaboration.
React, TypeScript, Nx, Tailwind, FastAPI, Python, Pydantic, SQL, NoSQL, AWS, Kubernetes, Terraform, GitHub Actions
3mo
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Senior Full Stack Software Engineer (Network)
San Jose, California, United States
$156k-$315k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
6+ YOESenior full stack engineer with 6+ years experience in React/Redux, Node.js, REST APIs, Linux, and cloud/web applications; strong communication and collaboration.
React, Redux, JavaScript, Node.js, Mocha, REST APIs, Linux
3mo
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Senior Software Engineer, Education.com
San Mateo, California, United States
$130k-$200k/yr OnsiteFull Time
IXL Learning
IXL Learning: Provides personalized digital learning platforms and educational resources.
6+ YOE6+ years in software engineering; BS or higher in CS; OO programming; Node/React/Next.js; MySQL; REST APIs; AWS (EC2/S3/RDS); MongoDB; strong problem solving and communication; interest in EdTech.
Node.js, React, Next.js, MySQL, REST API, AWS, MongoDB
3mo
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Senior Software Engineer, Information Systems
San Jose, California, United States
$185k-$215k/yr OnsiteFull Time
Muon Space
Muon Space: Designs, builds, and operates low Earth orbit satellite constellations.
7+ YOE7+ years full-stack software engineering; Python/JavaScript; React/Angular; REST/GraphQL APIs; SQL/NoSQL; PostgreSQL/MongoDB; strong communication.
Python, JavaScript, React, Angular, REST, GraphQL, PostgreSQL, MongoDB, InfluxDB, SQL, NoSQL