144 reactjs developer jobs at 63 companies in Winchester, CA
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Associate Developer I
Irvine, California, United States
$45-$58/hr HybridTemporary, Full Time
2+ YOE2+ years software development experience, hands-on TypeScript/React/Next.js, experience with AI-assisted development tools (Claude Code, Cursor), Prisma/PostgreSQL, LLM integration, strong communication, bachelor's degree preferred.
TypeScript, Next.js, React, Prisma, PostgreSQL, Tailwind, shadcn/ui, Claude Code, Cursor, Claude Opus, Fable, Sonnet, Anthropic, Google GenAI, AWS S3, AWS Lambda, AWS SES, AWS SQS, TanStack Query, Zod, Vitest, Playwright, SAML, Okta, JWT, Git
1w
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Application Developer - JavaScript
Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis or Vienna
$84k-$141k/yr OnsiteFull Time
2+ YOE2+ years web application development with JavaScript/TypeScript, experience with modern web frameworks, CI/CD, foundational cartography knowledge, bachelor's degree, and ability to travel up to 25–50%.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, React, Angular, Svelte, Vue, WebGL, ArcGIS Experience Builder, CI/CD
1mo
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Sr. Software Developer
Orange or Arizona or California or Florida or Maryland or Maine or Michigan or Missouri or North Carolina or Nevada or New York or Ohio or Oklahoma or Oregon or South Carolina or Texas or Utah or Washington or Wyoming
$120k-$145k/yr RemoteFull Time
7+ YOE7+ years professional software development with Microsoft .NET stack, experience with React/TypeScript, RESTful API design, Playwright, cloud deployments (AWS preferred), practical use of Claude or similar LLM agent tools, and demonstrated technical leadership.
ASP.NET WebForms, React, TypeScript, C#, .NET Web API, RESTful API, Claude, Redux Toolkit, Zustand, Playwright, CI/CD, Azure DevOps, AWS, ECS, Lambda, Step Functions, Bedrock, Azure, GCP
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Sr Applications Solutions Developer
Newport Beach, California, United States
$125k-$153k/yr OnsiteFull Time
6+ YOEBachelor's degree in a related field and 6+ years delivering enterprise software solutions. Requires Java, Spring Boot, React, APIs, SQL, integration, architecture, cloud-native development, and AI-assisted development experience.
GitHub Copilot, ChatGPT, Claude, Java, Spring Boot, React, SQL
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LoopNet - Lead Software Engineer
Irvine or Orange County
$144k-$222k/yr HybridFull Time
9+ YOEBachelor's degree required; 9+ years production C#/.Net development; experience with TypeScript front-ends (Vue/React/Angular), AWS services (S3, SQS, Dynamo, ElastiCache), Kafka, Datadog, SQL and database development; unit-testable development and mentoring experience.
C#, .Net, .Net Core, TypeScript, Vue, React, Angular, AWS S3, SQS, Dynamo, ElastiCache, Apache Kafka, Datadog, Claude Code, GitHub Copilot, MS SQL, MySQL, Git, SQL
2mo
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Software Engineer
United States or Irvine
$110k-$130k/yr RemoteFull Time
5+ YOE5+ years software development; Bachelor's degree in software engineering or computer science; strong backend and frontend skills; AWS experience; SQL and CI/CD knowledge.
Java, Spring, JSF, Hibernate, Spring JPA, Node.js, ReactJS, Angular, CSS, HTML, AWS, EC2, ECS, AWS Lambda, S3, SQS, SQL, Python
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Staff Engineer I - Software Engineer
Westlake Village or Irvine or Dallas
$122k-$151k/yr OnsiteFull Time
5+ YOE5+ years software development experience; Bachelor's degree required; proficiency with TypeScript, React, Angular, REST API, Azure/AWS and Azure DevOps; leadership experience, financial services and regulatory knowledge; up to 10% travel.
React, Angular, TypeScript, HTML, CSS, REST API, Azure, AWS, Azure DevOps
1mo
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Front-End Developer
Tustin, California, United States
$83k-$104k/yr OnsiteFull Time
5+ YOE5+ years front-end development experience, strong HTML5/CSS/SASS and JavaScript/TypeScript skills, experience with React or Vue, e-commerce and CRM (HubSpot) integration experience, UX and CRO knowledge.
HTML5, CSS3/SASS, JavaScript/TypeScript, React, Vue, HubSpot, Shopify, Hybris/SAP Commerce, Magento, BigCommerce, Figma, Sketch, Adobe XD, GA4, Hotjar, Storyblok, Contentful, Salsify, Algolia
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Full Stack Developer
Chino or United States
OnsiteFull Time
6+ YOE6+ years full stack development with C#, .NET Core, ASP.NET Core, SQL Server and JavaScript; experience with React/Angular/Vue, Azure, Docker, CI/CD, Git, EMR not required; Bachelor's or equivalent.
C#, .NET Core, ASP.NET Core, REST APIs, HTML, CSS, JavaScript, React, Angular, Vue.js, SQL Server, Entity Framework Core, ColdFusion (CFML), Microsoft Azure, Docker, CI/CD, Git, LLM
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Enterprise Automation & AI Developer
Newport Beach, California, United States
$150k-$185k/yr RemoteFull Time
5+ YOE5+ years software development, bachelor\u0002s in engineering/computer science or equivalent, full-stack development (backend and frontend), QA automation experience, experience with APIs, databases, deployments, and use of AI coding tools.
Python, Node.js, TypeScript, C#, Java, React, Next.js, Vue, Angular, Playwright, Cypress, Selenium, Jest, PyTest, Postman/Newman, Revit, Autodesk Construction Cloud, BIM 360, Git
1mo
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Senior Full Stack Developer
Carlsbad, California, United States
$125k-$150k/yr OnsiteFull Time
7+ YOE7+ years web development experience with C#, .NET, and SQL; experience with React, REST APIs, GitHub; mentoring and strong communication skills; familiarity with Agile.
C#, .NET, SQL, React, Python, Next.js, Kafka, TeamCity, Jenkins, Postman, Bruno, MongoDB, Elastic Stack, GitHub
2mo
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Front End Developer - Remote
Irvine, California, United States
RemoteFull Time
2+ YOE2+ years mobile web development; strong HTML5, CSS3, JavaScript; React.js experience; responsive/mobile-first and UI/UX skills; portfolio and Git proficiency.
HTML5, CSS3, JavaScript, React.js, Git
1mo
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Senior Full Stack Developer
Carlsbad, California, United States
$125k-$150k/yr OnsiteFull Time
7+ YOE7+ years web development experience; strong expertise in C#, .NET, and SQL; experience with React, REST APIs, GitHub, Agile; mentoring and strong communication skills.
C#, .NET, SQL, React, REST APIs, GitHub, Python, Next.js, Kafka, TeamCity, Jenkins, Postman, Bruno, MongoDB, Elastic Stack
1mo
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Full Stack Developer
Norco, California, United States
$90k-$190k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent, 5+ years software development experience, proficiency in Java/C#/Python/JavaScript/HTML/CSS, React/Angular, Node.js/.NET, cloud platforms, Microsoft SQL Server, Git; CompTIA Security+ and ability to obtain DoD SECRET; U.S. citizenship; onsite in Norco, CA.
Java, C#, Python, JavaScript, HTML, CSS, React, Angular, Node.js, .NET, AWS, Azure, Google Cloud, Microsoft SQL Server, Git, Docker, Kubernetes, CI/CD
1mo
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Senior iOS Engineer
Irvine or New York City or San Francisco or Seattle
$168k-$262k/yr OnsiteFull Time
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
1mo
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Software Engineer - AI
Irvine, California, United States
$99k-$158k/yr HybridFull Time
3+ YOEBachelor's degree and 3+ years experience. Strong Python required; proficiency in Java or .NET (C#). Experience with LLMs, agent development, RAG, vector databases, cloud platforms, data processing, and APIs.
Python, Java, .NET, C#, Agent Development Kit (ADK), LangChain, NumPy, Pandas, Scikit-learn, NLTK, SpaCy, PostgreSQL, pgvector, Pinecone, Weaviate, ChromaDB, Google Cloud Platform (GCP), Amazon Web Services (AWS), Microsoft Azure (Azure), ReactJS, OpenAI, Google DeepMind, Anthropic, MCP (Model Context Protocol), LangGraph, CrewAI, Semantic Kernel, AutoGen, Docker, Kubernetes, REST APIs, JSON, XML, CI/CD
3mo
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Principal Mobile Engineer
Carlsbad, California, United States
$160k-$180k/yr OnsiteFull Time
8+ YOE8+ years in mobile app development (iOS/Android) with React Native, quality code, and cross-region collaboration.
React Native, iOS, Android, AWS, Jira, Confluence, Bitbucket, Figma, Sentry, CI/CD
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Senior Full-Stack Developer
Costa Mesa, California, United States
OnsiteFull Time
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
3w
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LoopNet - Senior Software Engineer
Irvine, California, United States
$124k-$187k/yr HybridFull Time
7+ YOE7+ years production C#/.NET development, bachelor's degree, experience building APIs/backends, testing, cloud (AWS) experience, mentoring, and familiarity with AI coding tools.
C#, .NET, .NET Core, Claude Code, GitHub Copilot, Vue.js, React, TypeScript, Microsoft SQL, MySQL, AWS S3, SQS, DynamoDB, ElastiCache, Apache Kafka, Datadog, Docker, Kubernetes, CI/CD, BigQuery, Databricks, Snowflake, Python
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Sr. Software Engineer, Dataplane
Irvine or United States
$118k-$154k/yr RemoteFull Time
5+ YOE5+ years software development experience; strong Go, REST API, distributed systems; AWS or GCP cloud experience; JavaScript/TypeScript and React; CI/CD and Git; troubleshooting and production operations skills.
Go, REST APIs, AWS, GCP, JavaScript, TypeScript, React, Kubernetes, Docker, Helm, Terraform, Kafka, Redis, Pub/Sub, Git
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