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26 software engineer full stack c developer jobs at 16 companies in Fontana, CA

1mo
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Full Stack Software Engineer (Experienced or Lead)
Chantilly or Seal Beach
$135k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Global aerospace manufacturer of commercial and defense aircraft.
3+ YOEBachelor's degree, 3+ years software development experience with Java/C++/Python, CI/CD and DevSecOps experience, active Top Secret/SCI clearance (U.S. Citizenship), experience with full-stack technologies and agile practices.
Java, C++, Python, HTML, CSS, JavaScript, REACT, Open Layers, Spring Framework, Hibernate, RDBMS, noSQL, REST/Open API, Jenkins, GitLab CI, JMS, WebLogic, Ivy, Maven, Gradle, Git, SQL Server, Oracle, MySQL, MongoDB, CI/CD, DevSecOps
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1mo
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Full Stack Developer
Chino or United States
OnsiteFull Time
Harrington Industrial Plastics
Harrington Industrial Plastics: U.S. industrial flow-control distributor serving OEMs, contractors, EPCs, and end users with pipes, valves, pumps, and services.
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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1mo
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Senior Full Stack Software Engineer
Costa Mesa, California, United States
$191k-$253k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology developing AI-powered autonomous military systems.
7+ YOE7+ years software engineering experience; strong in Haskell, Rust, C++ or Go; backend services, APIs, data pipelines, Linux experience; U.S. Person and security-clearance eligibility required; willingness to travel up to 30%.
Haskell, Rust, C++, Go, Linux, JavaScript, TypeScript, React, Nix, NixOS, Lattice OS
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3mo
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Full Stack Software Engineer
Los Angeles or Houston
$100k-$140k/yr HybridFull Time
Syncromatics Corp
Syncromatics Corp: Privately owned international technology and engineering business group.
5+ YOE5+ years C#/.NET, SQL, testing, caching, React; strong communication; ability to lead when needed.
C#, DOTNET, SQL, React, Docker, Redis, RabbitMQ, Kafka, CI/CD, Cursor, Copilot
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2w
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.Net Full Stack Developer
Irvine, California, United States
$81k-$109k/yr OnsiteFull Time
Infosys
InfosysNYSE: INFY: Global leader in next-generation digital services and consulting.
Bachelor's degree or equivalent experience; full-stack .NET, SQL Server, C#, Web APIs, AWS, Docker, Kubernetes, and software development lifecycle experience required. Angular and Python preferred.
.NET, SQL Server, C#, Web APIs, AWS, Docker, Kubernetes, Angular, TypeScript, Python, AI, Agile Management Tools
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1mo
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Full Stack Software Engineer (Experienced or Lead)
Chantilly or Seal Beach
$135k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Global aerospace manufacturer of commercial and defense aircraft.
3+ YOEBachelor's or equivalent, 3+ years Java/C++/Python and full-stack experience, DevSecOps and CI/CD experience, active U.S. Top Secret/SCI clearance (or active within 24 months), U.S. person required.
Java, C++, Python, HTML, CSS, JavaScript, REACT, Open Layers, Spring Framework, Hibernate, RDBMS, noSQL, REST/Open API, DevSecOps, CI/CD, Jenkins, GitLab CI, JMS, WebLogic, Ivy, Maven, Gradle, Git, SQL Server, Oracle, MySQL, MongoDB
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1w
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SENIOR FULL STACK DEVELOPER
Norco, California, United States
$120k-$180k/yr OnsiteFull Time
VSolvit
VSolvit: Woman-owned technology services provider delivering geospatial, application, database, and IT services to federal agencies.
5+ YOEBachelor's degree in computer science, software engineering, or related field or equivalent experience; 5+ years software development; React, TypeScript, C#/.NET, REST APIs, SQL, U.S. citizenship, and ability to obtain Secret clearance.
React, TypeScript, JavaScript, HTML5, CSS3, C#, .NET, PostgreSQL, Microsoft SQL Server, RESTful APIs, Jira, Git, Vite, Vue.js, AWS, Microsoft Azure, DevOps, CI/CD, SAFe Agile
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2mo
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Full Stack Developer
Norco, California, United States
$90k-$190k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
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
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5d
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Senior Developer, Full-Stack .NET
Pasadena, California, United States
$133k-$172k/yr OnsiteFull Time
ACCO Engineered Systems
ACCO Engineered Systems: Mechanical contractor providing design, construction, and maintenance services.
6+ YOE6+ years of full-stack development; expert C#/.NET, Vue.js, Azure, SQL Server, Databricks, testing, dependency injection, and vendor oversight. Bachelor's degree required or equivalent practical experience.
C#, .NET, .NET Core, .NET 6, .NET 8, Vue.js, Azure, Microsoft SQL Server, Databricks, xUnit, NUnit, Quasar, CI/CD
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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
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2mo
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LoopNet - Senior Full Stack Engineer
Irvine or Orange County or United States
$124k-$187k/yr HybridFull Time
LoopNet
LoopNet: The World's #1 Commercial Real Estate Marketplace connecting tenants, investors, and brokers with properties for sale and lease.
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
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2mo
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Full Stack Developer
Norco, California, United States
$90k-$190k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
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.
Java, C#, Python, JavaScript, HTML, CSS, React, Angular, Node.js, .NET, AWS, Azure, Google Cloud, Microsoft SQL Server, Git, Docker, Kubernetes, CI/CD
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2mo
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LoopNet - Senior Full Stack Engineer
Irvine, California, United States
$124k-$187k/yr HybridFull Time
LoopNet
LoopNet: The World's #1 Commercial Real Estate Marketplace connecting tenants, investors, and brokers with properties for sale and lease.
7+ YOEBachelor's degree required; 7+ years production C#/.NET experience; experience with TypeScript frameworks (Vue/React/Angular), AWS services (AWS S3, SQS, Dynamo, ElastiCache), Apache Kafka, Datadog; unit testing and database/SQL experience; strong communication.
C#, .NET, .NET Core, TypeScript, Vue, React, Angular, AWS S3, SQS, Dynamo, ElastiCache, Apache Kafka, Datadog, Claude Code, GitHub Copilot, MS SQL, MySQL, Git
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2d
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Senior Software Engineer (Full Stack)
Aliso Viejo, California, United States
$200k-$370k/yr HybridFull Time
StubHub
StubHubNYSE: STUB: Global secondary ticketing marketplace connecting fans and sellers for sports, music, theater, and other live events.
3+ YOEMaster’s in computer science or related field plus 3 years’ experience, or bachelor’s plus 5 years. Requires .NET, C#, TypeScript, React, SQL Server, APIs, microservices, and distributed systems experience.
.NET, C#, TypeScript, React, SQL Server
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2mo
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Staff Software Engineer, Full-Stack
Santa Ana or California or New Jersey or Texas or Florida or Shanghai or Japan or Hong Kong or Canada or Mexico or Germany or France or United States
$166k-$269k/yr HybridFull Time
Collectors
Collectors: Technology-driven authentication, grading, and vaulting services for collectibles.
7+ YOE7+ years building web apps, APIs, and distributed systems; 3+ years AWS; proficiency in Python, C#, or Java; experience with React/Next.js; use of AI tools (Claude Cowork, Codex); staff-level technical leadership.
AWS, Claude Cowork, Codex, Python, C#, Java, React, Next.js, e-Verify
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1mo
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Sr Software Engineer II - Fullstack - Apex Events- AXS
Los Angeles, California, United States
$145k-$165k/yr HybridFull Time
AXS
AXS: Global ticketing and marketing technology serving fans, venues, sports teams, festivals, and live-event organizers.
6+ YOE6+ years software development, strong full‑stack web experience with TypeScript/React or NextJS, C#/.NET Core, relational databases, RESTful APIs, and mentoring experience.
HTML, CSS, JavaScript, TypeScript, ReactJS, NextJS, C#, .NET Core, Microsoft SQL Server, Oracle, MySQL, PostgreSQL, AWS, NodeJS, Docker, Kubernetes, Git, CI/CD, Kafka, Elasticsearch, DynamoDB, TDD, BDD
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2mo
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Senior IT Software Engineer
San Francisco or Los Angeles
$104k-$139k/yr HybridFull Time
State Bar of California
State Bar of California: Judicial-branch regulatory agency that licenses and disciplines California attorneys while protecting the public.
3+ YOE3+ years IT experience; bachelor’s degree or equivalent; strong Microsoft-stack development (C#, .NET, ASP.NET MVC), SQL Server, modern JavaScript (Angular/React), Azure integrations, GitHub Actions/CI-CD, and experience modernizing legacy systems.
C#, .NET (Core and Framework), ASP.NET MVC, Web APIs, SQL Server, Angular, React, Azure Functions, Logic Apps, Event Grid, REST APIs, GitHub Actions, Tyler Odyssey
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1w
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Business Application Developer
Los Angeles or United States
$110k-$135k/yr RemoteFull Time
B. Riley Financial, Inc.
B. Riley Financial, Inc.Nasdaq Global Market: RILY: Public U.S. holding providing investment banking, wealth management, communications, retail, and advisory services to businesses and investors.
5+ YOERequires .NET/C# full-stack development, full SDLC experience, LINQ, EF Core, Microsoft SQL Server, REST/SOAP integration, communication, problem-solving, and project ownership; 5+ years preferred.
Microsoft ASP.NET Core, C#, LINQ, EF Core, Microsoft SQL Server, REST, SOAP, Bootstrap, Microsoft SSRS, Power BI, Tableau, PowerShell, Razor Pages, Web APIs, Azure, DocuSign API
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2mo
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Senior Machine Learning Engineer
Irvine or Seattle
$180k-$215k/yr OnsiteFull Time
FieldAI
FieldAI: Develops embodied AI software for autonomous robots.
4+ YOEBachelor's or Master's in CS/AI/Statistics or related, 4+ years industry ML experience, proficiency in Python and PyTorch/TensorFlow/JAX, C++ for deployment, deep learning and navigation stack knowledge, production deployment experience.
Python, PyTorch, TensorFlow, JAX, C++
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