129 senior full stack engineer jobs at 85 companies in Fontana, CA
1mo
Save
Mark Applied
Hide
1mo
Senior Full Stack Engineer
Orlando or Los Angeles County
RemoteFull Time
VersantNasdaq: VSNT: Operates cable television networks and digital media entertainment platforms.
Senior full‑stack engineering experience with Node.js and frontend (Angular/TypeScript). Experience with AWS serverless (Lambda), PostgreSQL, ETL/data workflows, CI/CD, and production support.
Moon: Building an AI-powered SaaS platform for business operations.
5+ YOE5+ years full-stack experience with C#/.NET and a modern front-end framework; cross-platform mobile a plus; product-minded with strong user communication; AI-native workflows.
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yrHybridFull Time
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
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.
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
8+ YOE8+ years full‑stack experience; expert in Node.js, JavaScript, TypeScript, React; experience with microservices, gRPC, relational databases, Redis, AWS, Docker/Kubernetes; US work authorization required.
Revel: Modern software platform for controlling complex hardware systems.
4+ YOE4+ years software engineering experience; strong modern frontend expertise (preferably React); full-stack architecture and backend web services experience; familiarity with Linux; strong problem-solving and communication skills.
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.
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.
Fanatics: A global digital sports platform for merchandise and collectibles.
5+ YOE5+ years of professional full stack development; JavaScript/TypeScript, React, Node.js; analytics/tracking, A/B testing, APIs; scalable systems; cross-functional collaboration.
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.
Genies: Provides an AI avatar framework for digital identity experiences.
7+ YOE2+ Mgmt7+ years full-stack experience with 2+ years technical leadership; expertise with React, Next.js, TypeScript, Node.js, Go/Python, databases, APIs, cloud (AWS); strong communication and mentorship skills.
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
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
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.