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70 app developer jobs at 40 companies in Colton, CA

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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
Help us #BeatIndeed & #BeatLinkedIn
1w
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Senior Full-Stack Engineer, Maritime App
Costa Mesa or Seattle
$191k-$253k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOE5+ years software engineering; production web apps with JavaScript/TypeScript and React; familiarity with backend languages (Go, C++, Rust); experience designing architecture, CI/CD, monorepos, and integrating frontend tooling; Bachelor's or equivalent; must be a U.S. Person.
JavaScript, TypeScript, React, Go, C++, Rust, CircleCI, gRPC, protobuf, NixOS
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1mo
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Senior iOS Engineer
Irvine or New York City or San Francisco or Seattle
$168k-$262k/yr OnsiteFull Time
Twitch
TwitchNASDAQ: AMZN: Operates a global live streaming platform for interactive content.
6+ YOE6+ years professional iOS development with Swift, experience shipping App Store apps, strong architecture and performance skills, mentoring experience, familiarity with hybrid WebView/React integration.
Swift, React, React Native, WebView, Claude Code, GitHub Copilot, Cursor
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3mo
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Web/UI Developer
March Air Reserve Base, California, United States
$94k-$157k/yr OnsiteFull Time
American Systems
American Systems: Providing engineering and IT solutions to federal government agencies.
5+ YOEU.S. citizen, secret clearance, BS degree, 5-7 years web UI development experience; 2+ years in web app development or 10+ years combined software development/UI design.
OpenLayers, JavaScript, Apache, Elasticsearch, Linux
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2w
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Mobile / Front-End Developer — Mortgage Broker & Retail Experience
Irvine or United States
$135k/yr RemoteFull Time
Success Lending
Success Lending: Modern, agent-aligned mortgage lending services for homebuyers.
4+ YOE4+ years front-end or mobile development; shipped mobile app; strong JavaScript/TypeScript and React Native/Flutter or Swift/Kotlin; experience with REST/GraphQL, auth and secure storage; daily use of AI coding tools; U.S. work authorization required.
React Native, Flutter, Swift, Kotlin, JavaScript, TypeScript, REST, GraphQL, Claude Code, GitHub Copilot, Cursor, Blue Sage, LOS, App Store, Google Play
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2mo
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Loopnet - Senior iOS Engineer
Irvine, California, United States
$130k-$204k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
5+ YOE5+ years of iOS app development; expert in Objective-C, SwiftUI/Swift, Cocoa, Xcode; MVC/MVVM; Bachelor’s degree.
Objective-C, Swift, SwiftUI, Cocoa Framework, Xcode, Interface Builder
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2mo
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Software Developer (Rialto, CA, US, 92376)
Rialto, California, United States
$101k-$149k/yr OnsiteFull Time
syncreon
syncreon: Provides specialized warehouse management and supply chain logistics services.
Degree in IT or related field; relational databases; development project delivery; Unix/Linux knowledge; ability to work under pressure and adapt to global apps.
Progress, Unix/Linux, SQL
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2mo
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Software Engineer, Web
Irvine, California, United States
$155k-$200k/yr OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
5+ YOE5–10+ years of production web development with TypeScript/React/Node.js; API design; AWS experience; MongoDB/Redis; able to ship production web apps.
TypeScript, JavaScript, Node.js, React, Python, AWS, MongoDB, Redis
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3w
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Senior Full-Stack Developer
Costa Mesa, California, United States
OnsiteFull Time
TOCA Soccer
TOCA Soccer: Operates technology-enabled soccer training and entertainment centers.
5+ YOE5+ years building full-stack web or native apps; strong React, TypeScript, JavaScript, and Node.js skills; experience with AI-assisted development tools; cross-functional collaboration; experience with CRM/booking/subscription products.
TypeScript, JavaScript, React, Node.js, Expo, React Native, PostgreSQL, MySQL, MongoDB, AWS, GCP, Cursor, Claude Code, GitHub Copilot
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1mo
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Full-Stack Developer (Contract)
Brea, California, United States
$156k-$181k/yr OnsiteContract
Samyang America
Samyang America: Distributes and markets instant noodles and packaged food products.
5+ YOEBilingual English/Korean; 5+ years professional software development; strong full-stack web app experience; cloud platform experience (AWS, Azure, DigitalOcean); GitHub; secure authentication and workflow automation expertise; excellent documentation and communication.
AWS, Azure, DigitalOcean, GitHub
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1mo
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Senior iOS Engineer, Twitch
Seattle or New York or Irvine or San Francisco
$193k-$262k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
6+ YOE6+ years professional software and iOS development experience, strong Swift proficiency, experience leading architecture and mentoring engineers, production App Store shipping, and familiarity with hybrid WebView/React integrations and AI dev tools.
Swift, React, React Native, WebView, Claude Code, GitHub Copilot, Cursor
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1mo
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Compliance Application Developer Senior Specialist (Rosemead, CA, US, 91770-3714)
Rosemead, California, United States
HybridFull Time
Edison International
Edison InternationalNYSE: EIX: Generating and distributing electricity to customers in Southern California.
5+ YOE5+ years app development experience with SDLC/DevOps; preferred Bachelor's in Computer Science; experience with Microsoft Power Platform (Power Apps, Dataverse, Power Automate), JavaScript/APIs, analytics/reporting, code reviews and testing.
SDLC, DevOps, Microsoft Power Platform, Model-driven Power Apps, Microsoft Dataverse, Microsoft Power Automate, JavaScript, APIs
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2w
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Homes.com - Senior iOS Engineer (SwiftUI)
Irvine, California, United States
$130k-$204k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
5+ YOEBachelor's degree, 5+ years iOS development, expert in Objective-C, Swift/SwiftUI, Cocoa and Xcode, strong UI and scalable app experience, knowledge of MVC/MVVM/Dependency Injection, proven commitment to prior employers.
Objective-C, SwiftUI, Swift, Cocoa, Xcode, Interface Builder
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2w
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Senior Engineer, Full-Stack
Temecula, California, United States
OnsiteFull Time
FFF Enterprises
FFF Enterprises: Specialty pharmaceutical and vaccine distributor for healthcare providers.
7+ YOE7+ years full‑stack SaaS development experience, bachelor’s degree (or equivalent), cloud (Azure) and CI/CD/DevOps experience, backend (.NET) and frontend (React/Angular) proficiency, strong SQL and API/integration skills.
.NET, React, Angular, SQL, GraphQL, FHIR, HL7, Azure, App Services, Functions, AKS, CI/CD
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3mo
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AI Engineer
Pasadena, California, United States
$110k-$150k/yr OnsiteFull Time
GEI Consultants
GEI Consultants: Provides multi-disciplinary engineering and environmental consulting services.
4+ YOE4+ years software engineering; 1+ year building Generative AI apps; Python/SQL; Azure AI; experience with LLMs; Azure Databricks/TensorFlow/PyTorch a plus.
Python, PySpark, R, SQL, Azure AI APIs, Databricks Mosaic, TensorFlow, PyTorch
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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
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2mo
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Technical Staff Engineer – Business Development (Aerospace & Defense, U.S. West Region)
Irvine or Addison or Chandler
$75k-$232k/yr HybridFull Time
Microchip Technology
Microchip TechnologyNasdaq: MCHP: Manufacturer of microcontrollers, analog, and mixed-signal integrated circuits.
10+ YOEBachelor’s in Electrical/Computer Engineering; 10+ years FPGA field apps, tech sales, or semiconductor business development; strong communication; cross‑functional collaboration; US citizenship.
FPGA, CAD tools, Semiconductor tools
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1mo
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Sr AI/Agentic Engineer
Los Angeles or Santa Clara or Tustin or Dallas or United States
$111k-$185k/yr HybridFull Time
Lendistry
Lendistry: Technology-enabled lender providing capital to small businesses.
5+ YOE5+ years software engineering with 3+ years building and shipping LLM-powered apps; expert Python; production-grade LLM and RAG systems; strong platform and collaboration skills.
LangChain, LangGraph, LlamaIndex, DSPy, HuggingFace, AWS Bedrock, OpenAI, Anthropic Claude, Google Gemini
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Full Stack Engineer
Irvine, California, United States
$45-$200/yr OnsiteFull Time
Remilia
Remilia: Multidisciplinary art collective creating digital assets and lifestyle products.
Strong React and Golang or Node.js, experience with Postgres/SQLite, API design, backend architecture, portfolio of shipped apps; Swift/Kotlin and DevOps/CI/CD are a plus.
React, Golang, Node.js, Postgres, SQLite, Swift, Kotlin, CI/CD
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1mo
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AI Full-Stack Developer
Irvine, California, United States
$120k-$140k/yr OnsiteFull Time
Tax Relief Advocates
Tax Relief Advocates: Resolves personal and business tax debt issues with the IRS.
3+ YOE3+ years full‑stack experience; strong React/Next.js, Node.js, Python skills; RESTful APIs and microservices; experience with Azure or GCP; ability to integrate AI/ML models into production and build secure, scalable web apps.
React, Next.js, Node.js, Python, RESTful APIs, Microservices, Azure, GCP, OpenTelemetry, LangSmith, Langfuse, AI/ML
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1mo
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Staff Software Engineer, Full-Stack
Santa Ana or California or New Jersey or Texas or Florida or Shanghai or Japan or Hong Kong or Canada or Mexico or Germany or France or United States
$166k-$269k/yr HybridFull Time
Collectors
Collectors: Providing authentication and grading services for high-value collectibles.
7+ YOE7+ years building web apps, APIs, and distributed systems; 3+ years AWS; proficiency in Python, C#, or Java; experience with React/Next.js; use of AI tools (Claude Cowork, Codex); staff-level technical leadership.
AWS, Claude Cowork, Codex, Python, C#, Java, React, Next.js, e-Verify
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