106 senior react developer jobs at 48 companies in Winchester, CA
2mo
Save
Mark Applied
Hide
Senior React Native / Expo Mobile Developer
Costa Mesa, California, United States
$70k/yr OnsiteFull Time
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
2mo
Save
Mark Applied
Hide
Sr Full Stack Developer (React,Nodejs,Java)
Newport Beach, California, United States
$125k-$153k/yr OnsiteFull Time
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
Save
Mark Applied
Hide
Senior UI Engineer, EW
Costa Mesa, California, United States
$191k-$253k/yr OnsiteFull Time
8+ YOE8+ years frontend experience; React/TypeScript; API design; security clearance eligible; degree in a technical field or equivalent experience.
JavaScript, TypeScript, React, API design, Web services
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Senior .NET Engineer
Carlsbad or United States
HybridFull Time
3+ YOE3+ years experience; .NET Core and C#; multi-threaded programming; REST APIs; scalable architectures; distributed data stores (Aerospike, Elasticsearch, Kafka); testing.
.NET Core, C#, REST API, Aerospike, Elasticsearch, Kafka, Docker, Kubernetes, Git, React, JavaScript, TypeScript, HTML, CSS
1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Senior iOS Engineer, Twitch
Seattle or New York or Irvine or San Francisco
$193k-$262k/yr OnsiteFull Time
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
1mo
Save
Mark Applied
Hide
Senior Software Engineer - Supply Core (Fullstack)
Aliso Viejo or San Francisco
$200k-$250k/yr HybridFull Time
5+ YOE5+ years software development experience, 2+ years with React, experience with Java or C#, expertise across backend/frontend systems, mentoring experience, strong communication and product judgment.
React, Java, C#
1mo
Save
Mark Applied
Hide
LoopNet - Senior Full Stack Engineer
Irvine or Orange County or United States
$124k-$187k/yr HybridFull Time
7+ YOEBachelor's degree required; 7+ years production C#/.NET development; front-end experience with Vue/React/Angular in TypeScript; experience with AWS (S3, SQS, Dynamo, ElastiCache), Apache Kafka, Datadog, and relational databases; 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
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Boston or Encinitas
$142k-$192k/yr OnsiteFull Time
5+ YOE5+ years experience building full-stack web applications; strong Python (Django/FastAPI), TypeScript/React, AWS, PostgreSQL, Docker, and CI/CD (Jenkins) experience; API design and mentoring skills; US citizenship or green card required.
Python, Django, FastAPI, TypeScript, React, PostgreSQL, AWS, Docker, Jenkins, Node/Express, Java/Spring
2mo
Save
Mark Applied
Hide
Senior IoT Full-Stack Software Engineer
Irvine, California, United States
$135k-$169k/yr HybridFull Time
4+ YOE4+ years in web development, validation, or automation; strong Python; React/NextJS/TypeScript; AWS/Docker/Kubernetes; MongoDB/SQL experience; automotive/embedded exposure preferred.
React, NextJS, TypeScript, Python, MongoDB, SQL, AWS, Docker, Kubernetes, CSS
1w
Save
Mark Applied
Hide
Full Stack Senior Software Engineer (Remote in CA)
Santa Ana or California
$129k-$172k/yr RemoteFull Time
5+ YOE5+ years software development with Python and cloud-native Azure experience, React/TypeScript web development, REST APIs, relational databases, AI/LLM integration, Docker/Kubernetes, CI/CD, and a bachelor's in CS or equivalent.
Python, Azure (App Services, Functions, Azure OpenAI, AI Services), React, JavaScript/TypeScript, REST API, PostgreSQL, MySQL, SQL Server, MongoDB, Cosmos DB, LLMs, RAG, AI APIs, Docker, Kubernetes, Linux, Windows, Azure, Git, GitLab, GitHub, Azure DevOps, NPM Package Management, CI/CD Pipelines
2w
Save
Mark Applied
Hide
Senior Software Engineer
Brea, California, United States
$130k-$147k/yr HybridFull Time
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
1mo
Save
Mark Applied
Hide
Senior Software Engineer, Back-End (Payments)
United States or Santa Ana or San Francisco or Oakland or Berkeley or New Jersey or Texas or Florida or Shanghai or Hong Kong or Japan or Canada or Mexico or Germany or France
$141k-$229k/yr HybridFull Time
6+ YOE6+ years engineering experience, deep C#/.NET backend skills, frontend experience with React/Svelte/TypeScript, payments/gateway and distributed-systems experience, observability and security mindset.
Stripe, PayPal, C#, .NET, React, Svelte, TypeScript, PostgreSQL, DynamoDB, Kafka, Kubernetes, AWS, Datadog
3w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Senior Staff Engineer Frontend
Tustin or Los Angeles or Dallas or United States
$111k-$185k/yr HybridFull Time
6+ YOE6+ years front-end experience with React, expertise in architecting large-scale web apps, RESTful API integration, testing (Jest/Mocha/Cypress), performance optimization, mentorship, and strong communication.
React, TypeScript, Webpack, Jest, Mocha, Cypress, RESTful APIs, CI/CD
3mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
Explore Jobs