335 react engineer jobs at 161 companies in Fontana, CA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
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
1mo
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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
1mo
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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
1mo
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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
2w
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Sr Automation Engineer – New Glenn
Seattle or Denver or Los Angeles or Florida
$182k-$277k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEBachelor's in engineering/computer science or equivalent, 8+ years software/automation/data/engineering experience, experience designing automation tools, familiarity with React, TypeScript, Kubernetes, Databricks, SQL, Python, REST APIs, and AWS.
React, TypeScript, Kubernetes, Databricks, SQL, Python, REST APIs, AWS, Git, SVN, Gitlab CI
1mo
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Design Engineer, Americas
New York or San Francisco or Austin or Portland or Los Angeles or Seattle or Boston or Chicago or Denver or United States
$122k-$220k/yr RemoteFull Time
Ashby: Provides all-in-one recruiting software for high-growth businesses.
2+ YOEDesign and implement product-facing UI/UX and production code. Expect proficiency with TypeScript, React, CSS; familiarity with GraphQL, Node.js, Postgres, Redis is a plus. 2+ years industry experience preferred.
TypeScript, React, GraphQL, Node.js, Postgres, Redis, CSS
2w
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Full Stack Engineer
Irvine, California, United States
$125k-$140k/yr OnsiteFull Time
ICEYE
ICEYE: Operates synthetic aperture radar (SAR) satellite constellations.
2+ YOEBachelor's degree in CS/IT, 2+ years full‑stack development with production AWS deployments; proficiency in Go, FastAPI, React, and experience with RESTful APIs and cloud-native patterns; eligible for Top Secret clearance.
Go, Python, React, FastAPI, AWS, Kubernetes, AWS CDK, Terraform, JavaScript, TypeScript, IAM, API Gateway, Lambda, DynamoDB
1w
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Sr. Software Engineer, Mobile
Los Angeles, California, United States
$175k-$190k/yr OnsiteFull Time
Plug
Plug: Online marketplace for trading and auctioning used electric vehicles.
5+ YOE5+ years building production applications with 2+ years React Native; TypeScript, Expo, mobile realtime, backend API and multi-tenant auth experience required.
React Native, Expo, Expo Router, EAS Build, APNs, FCM, TypeScript, PostgreSQL, WebSockets, SSE, AWS, ECS, Terraform, CI/CD, HubSpot, WorkOS, Clerk, Auth0, REST
1d
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Senior Engineer, Full-Stack
Temecula, California, United States
$145k-$160k/yr OnsiteFull Time
FFF Enterprises
FFF Enterprises: Distributes specialty biopharmaceuticals and manages critical healthcare inventory.
7+ YOEBachelor's degree, 7+ years full-stack SaaS experience, proficiency with Azure and cloud-native architectures, backend (.NET), frontend (React/Angular), SQL/data modeling, security and healthcare compliance (PHI,21 CFR Part 11).
Azure, App Services, Functions, AKS, .NET, React, Angular, GraphQL, SQL, FHIR, HL7, CI/CD
3mo
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Software Engineer
Irvine or United States
$103k-$134k/yr RemoteFull Time
Alteryx
Alteryx: Provides an automated data analytics and data science platform.
2+ YOE2-5 years software engineering; proficient in Go and Node/TypeScript/React; networking knowledge; production experience; strong debugging and communication.
Go, Node.js, TypeScript, React, Kubernetes
2mo
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Software Development Engineer
Irvine, California, United States
$170k-$220k/yr HybridFull Time
Jiffy: Sells blank apparel and custom printed clothing online.
5+ YOE5+ years software engineering; BS in CS/Engineering; AI coding agents experience; server-side language; frontend React/TypeScript; databases; code review.
AI agents tools, Ruby on Rails, Solidus / Spree, GraphQL, React, Kubernetes, RSpec, Vitest, Playwright
2mo
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Senior Software Engineer, Frontend
Los Angeles or Remote
$145k-$195k/yr HybridFull Time
Zoo
Zoo: Develops infrastructure and AI-powered tools for hardware design.
5+ YOESenior frontend software engineer with strong TS/React, performance optimization, Wasm, and browser internals knowledge.
TypeScript, React, XState, WebAssembly, CodeMirror, Rust, WebGL
2mo
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Sr. QA Engineer
Los Angeles, California, United States
$150k-$175k/yr HybridFull Time
Renesas Electronics
Renesas ElectronicsTokyo Stock Exchange: 6723: Designs and manufactures semiconductors for automotive and industrial systems.
8+ YOE8+ years in software quality engineering or software engineering with quality ownership. BS in CS or related field. TypeScript, Vitest/Jest/Playwright, React, GraphQL, PostgreSQL, CI/CD pipelines, strong communication.
Vitest, Jest, Playwright, React, GraphQL, PostgreSQL, GitHub Actions, Jenkins
1mo
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Software Engineer
Los Angeles, California, United States
HybridFull Time
ALKEME Insurance
ALKEME Insurance: Insurance brokerage and risk management services provider.
Bachelor's in Computer Science/Engineering or equivalent experience; proficiency in Java, Python, C#, or JavaScript; familiarity with web frameworks (React, Angular, Node.js) and SQL/NoSQL; strong problem-solving and communication skills.
Java, Python, C#, JavaScript, React, Angular, Node.js, SQL, NoSQL
1mo
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Senior Ground Software Engineer I - Secret
Long Beach or United States or New Zealand or Australia or Japan or Switzerland or Europe
$130k-$175k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
5+ YOEBachelor's in engineering or technical discipline, 5+ years software development with 5+ years Python, 2–5 years cloud engineering, experience with web-based architectures, and active Secret clearance required.
Python, Golang, TypeScript, JavaScript, Angular, React, InfluxDB, PostgreSQL, FastAPI, Git, SQL, Jira, Kubernetes, OAuth, Node.js
3mo
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Senior Product Engineer
New York or Los Angeles or San Francisco or United States
$150k-$180k/yr HybridFull Time
EDO
EDO: Measures the impact of TV and streaming advertising.
5+ YOE5+ years in product-focused full-stack engineering; strong CS foundation; capable of handling ambiguity and multi-hat roles; proficient in React, Rails, databases, and AWS.
React, Typescript, CSS, Ruby on Rails, MySQL, Snowflake, AWS
2w
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Software Engineer
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOE5+ years software engineering experience, Bachelor's in CS/IS/EE or related, proficiency with JavaScript, React, TypeScript, Next.js; experience with enterprise/high-availability systems; U.S. Person required; Top Secret eligibility preferred.
Lattice OS, ArsenalOS, Forge, JavaScript, React, TypeScript, Next.js, ERP, MES, WMS, CRM
2mo
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Senior Software Engineer
Irvine, California, United States
OnsiteFull Time
Kajabi
Kajabi: All-in-one platform for creators to monetize digital content.
Senior Software Engineer with Ruby on Rails, React, and Postgres; full-stack; AI tooling; product-minded; in-person role in Irvine, CA.
Ruby on Rails, React, PostgreSQL, AI tools, AWS, Sidekiq, Redis
1mo
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Staff Solutions Engineer, Level 6
Los Angeles or Seattle or San Francisco or Palo Alto or New York City or Bellevue or Santa Monica
$229k-$343k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
9+ YOESenior solutions engineer with 9+ years experience, BS in technical field or higher, strong code, APIs/SDKs, and cross-functional collaboration.
JavaScript, TypeScript, HTML, CSS, Java, Golang, Node.js, Python, React, Angular, Vue.js, NodeJs
2mo
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Design Engineer
Austin or Denver or Indianapolis or Los Angeles or Minneapolis or Nashville or New York or Salt Lake City or San Francisco or Seattle
$150k-$170k/yr RemoteFull Time
Givebutter
Givebutter: Fundraising and CRM platform for nonprofit organizations.
4+ YOE4+ years frontend engineering; strong JS/TypeScript; HTML/CSS; modern frameworks (Astro/React/Next.js/Svelte); animation and analytics integration; accessible, performance-focused frontend; Git workflows; collaboration with design and product teams.
JavaScript, TypeScript, Astro, React, Next.js, Svelte, GSAP, Framer Motion, View Transitions API, Lottie, PostHog, LaunchDarkly, Segment, Amplitude