69 senior full stack developer jobs at 39 companies in Lake Elsinore, CA
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Senior Full-Stack Developer
Costa Mesa, California, United States
OnsiteFull Time
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.
Pacific Life: Provides life insurance, annuities, and investment products for financial security.
5+ YOEBachelor's degree required; 5+ years software development (2+ as full stack); expertise with Angular/React/TypeScript, Java, Node.js, AWS, serverless, microservices, REST/GraphQL, SQL/NoSQL, CI/CD and DevSecOps; Azure DevOps experience.
Harrington Process Solutions: Distributes and fabricates industrial fluid process and flow control products.
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.
Rockstar Games: Creates and publishes world-class open-world video games.
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.
Anduril Industries: Defense technology building autonomous military hardware and software.
6+ YOE6+ years software engineering experience; mastery of full-stack web development, real-time 3D visualization, distributed systems, CI/CD, and cloud/edge deployments; U.S. Person status required.
United States or Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago
$146k-$235k/yrRemoteFull Time
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years full-stack engineering; strong TypeScript and React; experience with Go or Node; shipped AI/agent features and MCP/LLM tooling; instrumentation, funnel analysis, A/B testing, and on-call support experience.
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
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.
Kaiser Permanente: Integrated healthcare and insurance services provider
5+ YOEBachelor's in CS or related,5+ years full stack experience,proficiency with ASP.NET MVC,.NET Core,C#,JavaScript,EMR not mentioned,SQL Server experience,strong communication and problem-solving.
ASP.NET MVC, .NET Core, C#, JavaScript, jQuery, Bootstrap, ASP.NET Web API, ORM, Microsoft SQL Server, IIS, Git, SVN, Visual Studio, SQL Client Tools, Postman, SoapUI
Front End Senior Full Stack Developer- Mortgage Automation (AI-First)
Irvine or United States
$135k/yrRemoteFull Time
Success Lending: Modern, agent-aligned mortgage lending services for homebuyers.
5+ YOE5+ years full-stack development, daily use of AI coding tools, cloud experience (AWS/Azure), RESTful API integration, modern front-end frameworks and backend languages; mortgage technology experience preferred; must be authorized to work in the U.S.
JavaScript, TypeScript, React, Angular, Node.js, Python, Java, C#/.NET, SQL, RESTful APIs, AWS, Azure, Lambda/Functions, CI/CD, Claude Code, GitHub Copilot, Cursor, Blue Sage, Kwikie, Gateless, Cotality, Encompass, MeridianLink, DU/LP, Optimal Blue
United States or Boston or Arlington or Dayton or Melbourne or Carlsbad
$175k-$240k/yrRemoteFull Time
Systems & Technology Research: Develops advanced technology for national security and defense applications.
7+ YOEBS in CS or related (or equivalent experience) with 7+ years, U.S. citizenship and ability to obtain security clearance, experience deploying DoD/IC software, strong React, TypeScript, and Python skills, team leadership and customer collaboration experience.
Megazone Cloud: Provides managed cloud services and digital transformation consulting.
8+ YOE8+ years software/platform engineering with senior technical lead experience on multi-vendor AWS cloud modernization programs; hands-on AWS services, Python/Node.js, Terraform, API design, and strong stakeholder communication.
Lambda, Step Functions, ECS Fargate, API Gateway, DynamoDB, S3, EventBridge, Bedrock, Python, Node.js, JavaScript, Terraform, REST, GraphQL, SAS, R
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOE5+ years software development; Bachelor's in CS/Engineering or equivalent; proficiency in Java/C#/Python/JavaScript, front-end (React/Angular), back-end (Node.js/.NET), cloud (AWS/Azure/Google Cloud), Microsoft SQL Server, Git; CompTIA Security+; must obtain DoD SECRET and be U.S. citizen; onsite Norco, CA.
Rivian and Volkswagen Group Technologies: A joint venture developing software, connectivity, and cloud solutions for electric vehicles.
7+ YOE7+ years full-stack development; frontend with React and TypeScript; backend experience in Golang/Node.js/Python; RESTful API design; SQL/NoSQL; cloud (AWS/Azure/GCP); stream processing and message queues (Kafka, NATS, RabbitMQ); Agile experience.
West Coast University: Private university offering degree programs for healthcare professionals.
5+ YOE5+ years hands-on full stack web and microservices development with C#/.NET, JavaScript/TypeScript, SQL Server, and React or Angular; technical leadership experience; Bachelor's degree in CS/IT/IS or equivalent experience; experience with LLM-based coding agents.
Full Stack Senior Software Engineer (Remote in CA)
Santa Ana or California
$129k-$172k/yrRemoteFull Time
First American FinancialNYSE: FAF: Provides title insurance and settlement services for real estate.
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.
TP-Link: Global manufacturer of networking hardware and smart home devices.
5+ YOEBachelor's in CS or related (or equivalent),5+ years software engineering,3+ years modern JavaScript frameworks,2+ years PHP plus Go or Java,experience with responsive web,SEO,accessibility,and design handoffs.