57 full stack java react software engineer jobs at 17 companies in Simi Valley, CA

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Full Stack Software Engineer (Components)
Hawthorne, California, United States
$125k-$195k/yr OnsiteFull Time
SpaceX
SpaceXNasdaq: SPCX: Designing, manufacturing, and launching advanced rockets and spacecraft.
2+ YOEBachelor's degree in computer science, computer engineering, physics, or engineering, or 2+ years' professional software experience; full stack development experience required.
Python, JavaScript, C#, .NET, Java, Angular, React, nginx, haproxy, redis, Make, pip, npm, nuget, UNIX, Terraform, Ansible, Puppet, Docker, Kubernetes, PostgreSQL, SQL Server, CNC, CAD, AI
1d
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Senior Full-Stack Engineer
Santa Monica or Waukesha or Reno
$115k-$149k/yr OnsiteFull Time
Generac
GeneracNYSE: GNRC: Manufacturer of backup power generation and energy technology solutions.
5+ YOEBachelor’s degree or equivalent experience, 5+ years of software engineering experience, 3+ years of full-stack development with TypeScript and React, and 1+ year using AI-assisted development tools.
TypeScript, React, Java, Golang, AWS, Azure, Terraform, CI/CD, TanStack, Tailwind, Vite, Storybook, Kubernetes
2mo
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Cyber Full-Stack Technical Software Engineer
San Francisco or Los Angeles County or United States
$122k-$241k/yr OnsiteFull Time
Deloitte
Deloitte: Global professional services network providing audit, consulting, tax, and advisory services.
3+ YOE3+ years full-stack development; experience designing/deploying AI/Generative AI on AWS/Azure/GCP; Java/Python/JavaScript/TypeScript; frontend (Angular/React/Next.js) and backend (Node.js, Django/Flask, Spring Boot); REST, relational and NoSQL DBs, Git, Microsoft Azure DevOps, unit testing and CI/CD; Agile; cloud certification and bachelor's degree...
Java, Python, JavaScript, TypeScript, Angular, React, Next.js, HTML5, CSS3, Node.js, Django, Flask, Spring Boot, REST, MySQL, PostgreSQL, SQL Server, Oracle, MongoDB, Redis, Cassandra, DynamoDB, Git, Microsoft Azure DevOps, JUnit, Mockito, AWS, Azure, GCP, Docker, Maven, Gradle, Bootstrap, jQuery, JSP, Kubernetes, TensorFlow, PyTorch, OpenSearch, Elasticsearch, Neo4j, Memgraph, Claude API, Claude for Enterprise, Gemini API, Vertex AI Agent Builder, Google Workspace, GPT-4o, Assistants API, Responses API, OpenAI Agents SDK, Anthropic, OpenAI
3mo
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Full-Stack Engineer 5 - Ads Decisioning & Optimization
New York or Los Angeles or Los Gatos
$320k-$500k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Global subscription-based streaming entertainment service and content producer.
7+ YOE7+ years of professional software engineering with full-stack experience (UI, API, backend). Proficiency in React, TypeScript/JavaScript, Node.js; backend in Java/Kotlin; strong observability and debugging tooling experience.
React, TypeScript, Java, Kotlin, Node.js, SQL, Observability tooling
3mo
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Full Stack Engineer, Senior
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/yr HybridFull Time
Stellarus
Stellarus: Nonprofit California health plan providing insurance coverage to individuals, families, employers, and public-program members.
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.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
2d
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Full Stack Developer
Monrovia or Huntington Beach
$100k-$110k/yr HybridFull Time
Clever Care Health Plan
Clever Care Health Plan: Private Medicare Advantage health plan serving Southern California seniors with culturally sensitive care blending Eastern and Western medicine.
3+ YOEBachelor’s degree in Computer Science, IT, or related field or equivalent experience; 3+ years of full-stack development; PHP, Python, Java, C#, JavaScript, SQL, AWS, PowerShell, and Git experience.
PHP, Python, C#, Java, JavaScript, HTML, CSS, React, Angular, Vue, REST API, Django, Node.js, Spring Boot, .NET, SQL Server, MySQL, AWS, Amazon S3, AWS Lambda, AWS Glue, Amazon EC2, PowerShell, Git, Salesforce, DocuSign
1mo
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Full Stack Engineer 4 - User & Access Management Engineering
Los Gatos or Seattle or New York City or Los Angeles
$250k-$413k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Global subscription-based streaming entertainment service and content producer.
Experienced full-stack engineer with backend in Java/C# and frontend in HTML/JavaScript/TypeScript/CSS/React, API design (GraphQL/REST), distributed systems knowledge, and on-call/incident experience.
GraphQL, REST, Java, C#, HTML, JavaScript, TypeScript, CSS, React
3d
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Senior Full Stack Software Development
Grand Rapids or Los Angeles or Washington or Troy or New York City or Houston or Chicago or Owings Mills or Baltimore or Columbia or Richmond or Memphis or Raleigh or Boston or San Jose or San Francisco or Austin or Kalamazoo or Spokane or Denver or Fort Worth or Atlanta or Orlando or Dallas or Wilmington or Phoenix or San Antonio or Milwaukee or Madison or McLean or Melville or Woodbridge or Stamford or Miami or Philadelphia or Charlotte or Greenville or West Palm Beach or Costa Mesa or St. Louis or Fort Lauderdale or Seattle or Rosemont or Pittsburgh or Tulsa or Cincinnati or Cleveland or Columbus or Akron or Cherry Hill or Tampa or Minneapolis or Anchorage or Salt Lake City or Norfolk or Jacksonville or Boulder or Nashville or Oak Brook or Las Vegas or Indianapolis or San Diego or Potomac or Omaha
$110k-$120k/yr OnsiteFull Time
BDO USA
BDO USA: Professional services firm providing assurance, tax, and advisory services.
6+ YOERequires 6+ years developing full-stack web applications, 3+ years as a technical lead on large IT projects, and experience with at least two listed development areas. High school diploma required; bachelor's preferred.
AngularJS, React, .NET MVC, C#, Java, NodeJS, HTML, CSS, SASS, SQL Server, Oracle, MySQL, Azure Cosmos DB, MongoDB, Azure, AWS, ADF, SSIS, SSAS, SSRS, Power BI, Xamarin, Swift, Objective-C, GitHub Actions, Azure Pipelines, GitLab Runners, Microsoft Visual Studio, Microsoft Azure DevOps, GitHub, Microsoft Dynamics 365, Microsoft SQL Server, Azure SQL DB, Microsoft SQL Reporting Services, Azure Logic Apps, TypeScript, Angular, Microsoft Entity Framework, HTTP Debug Tools, Kentico CMS
2w
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Senior Full Stack Engineer (Manufacturing Systems)
Hawthorne or Los Angeles or El Segundo
$150k-$225k/yr OnsiteFull Time
Freeform
Freeform: AI-native metal 3D-printing manufacturer serving aerospace, defense, energy, semiconductor, automotive, and other industrial customers.
5+ YOERequires a relevant bachelor's degree, 5+ years of software development using Python, Go, Java, or similar, Flask or Django, React or Next.js, and SQL and non-relational databases.
Python, Go, Java, Flask, Django, React, Next.js, SQL
1mo
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Software Engineer, Full Stack, Level 5
Santa Monica, California, United States
$209k-$313k/yr OnsiteFull Time
Snap Inc.
Snap Inc.NYSE: SNAP: Technology focused on augmented reality and communication.
6+ YOEBachelor's degree or equivalent experience, 6+ years software development, full-stack web development, proficiency in JavaScript/TypeScript/HTML/CSS and backend languages, experience with UI frameworks and distributed systems.
JavaScript, TypeScript, HTML, CSS, Java, Golang, NodeJs, Python, React, Angular, Vue, WebGL, Canvas, WebAssembly, Service workers, GraphQL, NoSQL, Memcache/Redis, Kubernetes, Google/AWS services
1mo
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Software Engineer, Full Stack, Level 5
Santa Monica, California, United States
$209k-$313k/yr OnsiteFull Time
Snap Inc.
Snap Inc.NYSE: SNAP: Technology focused on augmented reality and communication.
6+ YOE6+ years software development experience, bachelor's in a technical field or equivalent, full‑stack web development, proficiency in JavaScript/TypeScript, HTML, CSS and backend languages, experience with frontend frameworks and testing.
JavaScript, TypeScript, HTML, CSS, Java, Golang, NodeJs, Python, React, Angular, Vue, WebGL, Canvas, WebAssembly, Service workers, GraphQL, NoSQL, Memcache/Redis, Kubernetes, Google services, AWS services
3w
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Senior Full-Stack Engineer - TikTok Open Platform
San Jose or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
$218k-$388k/yr OnsiteFull Time
TikTok
TikTok: Short-form mobile video and social media platform.
5+ YOEBachelor's degree in computer science or related field, 5+ years of software engineering experience, strong JavaScript, TypeScript, HTML/CSS, React, backend development, system design, databases, microservices, and AI tooling.
JavaScript, TypeScript, HTML, CSS, React, Golang, Java, Python, Node.js, Cursor, Claude Code, LLM, RAG, Function Calling, Agents, MCP, OAuth
4d
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Applied AI Engineer/Full stack App Development Engineer
Woodland Hills or Colorado or Maine or Hawaii or Illinois or Minnesota or Vermont or Massachusetts or Maryland or Virginia or District of Columbia or New Jersey or New York or Ohio or Washington
$102k-$174k/yr HybridFull Time
Farmers Insurance
Farmers Insurance: Provides home, auto, life, and commercial insurance products.
7+ YOERequires 7+ years in related software development or 1 year as Agile Dev Team Member III, plus 3+ years full-stack experience, high school diploma, and expertise in Python or Java, React/TypeScript, cloud, APIs, databases, and generative AI.
Python, Java, React, TypeScript, AWS Bedrock, OpenAI, Anthropic, REST, GraphQL, AWS, GCP, SQL, NoSQL, Git, TDD, BDD, CI/CD, RAG
3d
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.NET Full Stack Developer
Woodland Hills or Dublin or Sarasota
$88k-$121k/yr HybridFull Time
Zenith Insurance Company
Zenith Insurance Company: U.S. workers’ compensation insurer serving employers nationally and California agribusinesses through property-casualty coverage.
3+ YOEBachelor's degree or equivalent; 3+ years frontend and backend web development with Vue, Angular, React, ASP.NET, C#, Java, and MS SQL Server or Oracle; strong analytical and communication skills.
SQL, C#, ASP.NET, HTML, CSS, JavaScript, Vue, XML, Microsoft SQL Server, VBA, Microsoft Word, Microsoft Excel, Angular, React, Oracle, Bootstrap, GitHub Copilot, Claude, Codex, jQuery, Git, SVN
3mo
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Senior Full-Stack Engineer, AI Engineering
Santa Monica, California, United States
$190k-$200k/yr OnsiteFull Time
TWG Global
TWG Global: Private U.S. holding operating and investing in financial services, insurance, AI, technology, sports, media, and entertainment.
5+ YOE5+ years building production software at scale; hands-on experience with LLM/agent apps; strong React, Java with Spring Boot, Python; iOS with Swift; PostgreSQL; distributed systems; cloud; Bachelor’s in CS/Engineering or equivalent.
React, Spring Boot, Python, Swift, iOS, PostgreSQL, LangGraph, AWS, GCP, Azure, CI/CD
2w
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Senior Full Stack Engineer
Petah Tikva or Austin or New York City or Los Angeles or San Francisco or London or Berlin or Singapore or Tel Aviv
HybridFull Time
Digital Turbine
Digital TurbineNASDAQ: APPS: Public mobile advertising and monetization platform serving advertisers, app developers, carriers, and device manufacturers.
8+ YOERequires 8+ years building production platforms, strong backend architecture, system design, algorithms, data structures, APIs, testing, data modeling, front-end frameworks, and multiple programming ecosystems.
TypeScript, JavaScript, Java, Kotlin, Python, Go, Scala, C++, React, MySQL, PostgreSQL, AWS, GCP, CI/CD
2mo
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Sr. Staff Software Engineer (Full Stack Software Discipline Lead)
San Diego or Melbourne or El Segundo or Palmdale or Manhattan Beach or Oklahoma City or Redondo Beach
$158k-$289k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
9+ YOESTEM degree with 9+–14+ years software engineering experience (depending on degree), active U.S. Secret clearance (in-scope within 6 years) and eligibility for TS/SCI, subject-matter expertise in full stack/cloud/geospatial/interoperability/cybersecurity, and ~25% travel.
AWS, Microsoft Azure, OpenStack, Docker, OCI, Kubernetes, Istio, Jenkins, GitLab, Microsoft Azure DevOps, Ansible, DTED, GeoTIFF, OGC, CesiumJS, Web-GL, PostGIS, Selenium, Cypress, Java, HTML, CSS, JavaScript, React, TypeScript, Python, Node.js, REST, GraphQL, gRPC, SQL, NoSQL, MongoDB, HTTP, websockets, OMS, Universal Command and Control Interface (UCI), STANAG 4586, RMF, NIST 800-53
2mo
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Sr. Staff Software Engineer (Full Stack Software Discipline Lead)
Melbourne or Palmdale or San Diego or El Segundo or Redondo Beach or Manhattan Beach or Oklahoma City
$158k-$289k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
9+ YOERequires STEM degree plus extensive software engineering experience (Bachelor+14 / Master+12 / PhD+9), active U.S. Secret clearance (eligible for TS/SCI), expertise in cloud, containers, CI/CD, front- and back-end stacks, geospatial and cybersecurity competencies, and ~25% travel.
AWS, Azure, OpenStack, Docker, OCI, Kubernetes, Istio, Jenkins, GitLab, Azure DevOps, Ansible, CesiumJS, Web-GL, PostGIS, Selenium, Cypress, Java, Python, Node.js, HTML, CSS, JavaScript, React, TypeScript, REST, GraphQL, gRPC, SQL, NoSQL, MongoDB, HTTP, websockets, OMS, Universal Command Interface (UCI), RMF/NIST 800-53
3w
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Software Engineer
Point Mugu or Camarillo or San Diego or Norfolk or Patuxent River or Melbourne or Japan or France
$115k-$150k/yr OnsiteFull Time
Brandes Associates
Brandes Associates: Defense engineering and technical-services contractor supporting U.S. defense, intelligence, and military customers.
3+ YOE3+ years in full-stack software development and CI/CD; experience with Java, TypeScript, .NET, C#, JavaScript, SQL, Git, Docker, Kubernetes, microservices, Agile, JIRA, and Confluence. Bachelor's degree or substitutions; active DoD Top Secret clearance and US citizenship.
Continuous Integration Continuous Delivery (CI/CD), Java Spring Boot, Java, TypeScript, ReactJS, Redux, NPM, Material UI, RESTful web services, WebSockets, RabbitMQ, Advanced Message Queuing Protocol (AMQP), JPA, Hibernate, Git, Kubernetes, Confluence, JIRA, Docker, SQL, HTML, CSS, Bitbucket, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft SharePoint, .NET, C#, JavaScript, containers, microservices, Scaled Agile Framework (SAFe)
2mo
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Sr. Software Engineer, AI Native
Culver City or San Diego
$180k-$205k/yr HybridFull Time
Sony Group Corporation
Sony Group CorporationTokyo Stock Exchange: 6758: Public Japanese entertainment-and-technology conglomerate serving consumers, creators, and businesses through games, music, pictures, electronics, and sensors.
5+ YOE5+ years experience in full-stack development with Java, Go, or Python; REST API and frontend (HTML/CSS/JavaScript/React) proficiency; hands-on experience with AI-native coding tools, prompt engineering, agent development, and participation in on-call rotations.
Java, Go, Python, HTML, CSS, JavaScript, React, Angular, Ember, Jest, Babel, TypeScript, Claude Code, Cursor, GitHub Copilot, RESTful API, AWS, Docker, Kubernetes, Terraform, Ansible, Jenkins, BMad Method, SAFe, Scrum