79 net developer jobs at 46 companies in Winchester, CA
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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
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SOFTWARE DEVELOPER (.NET/C#)
Norco, California, United States
$95k-$150k/yr OnsiteFull Time
3+ YOEOn-site Norco role requiring 3+ years software development experience with C#/.NET desktop applications, OOP, multi-threading/TPL, Git, strong communication, U.S. citizenship, and ability to obtain a U.S. government security clearance.
C#, .NET, Delphi, Unity, Git, Jira, Confluence, Avalonia UI, WPF, WinUI, MAUI, Task Parallel Library (TPL), SAFe, Scrum
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Software Developer (.NET/Angular)
Norco, California, United States
$70k-$143k/yr HybridFull Time
3+ YOEU.S. citizen with active Secret clearance, Security+ certification, Bachelor’s in CS/IT (or related), 3+ years developing with .NET and Angular, SQL experience, Agile familiarity, and ability to attend local on-site meetings in Norco, CA.
.NET, Angular, SQL, Azure, AWS, HTML, CSS, JavaScript
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Software Developer (.NET/Angular)
Norco, California, United States
$70k-$143k/yr HybridFull Time
3+ YOEU.S. citizen with active Secret clearance and Security+; Bachelor’s in CS/IT; 3+ years developing with .NET and Angular; experience with SQL, Agile, strong OOP, communication, and ability to attend local on-site meetings in Norco, CA.
.NET, Angular, SQL, Azure, AWS, HTML, CSS, JavaScript, TDD, DevOps
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Software Engineer (C#/.NET)
Carlsbad, California, United States
$101k-$134k/yr OnsiteFull Time
4+ YOE4+ years building scalable distributed systems; expert in C# and/or C++; strong CS fundamentals, API design, web service scalability, and database development (MSSQL); experience with source control.
Windows Server, Microsoft SQL Server, IIS, .NET, C#, C++, MSSQL, Perforce, Xbox Live, Sony NP, Games for Windows Live
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LoopNet - Senior Software Engineer (C#/.NET)
Irvine or Orange County
$124k-$187k/yr HybridFull Time
7+ YOEBachelor's degree, 7+ years production .NET/C# experience, AWS and Apache Kafka experience, frontend knowledge (Vue/React/Angular, TypeScript), SQL/NoSQL, Git, unit/performance/integration testing experience.
C#, .NET, .NET Core, AWS, Apache Kafka, Vue, React, Angular, TypeScript, Microsoft SQL, MySQL, NoSQL, Git, GitHub Copilot, Claude Code
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LoopNet - Senior Software Engineer (C#/.NET)
Irvine, California, United States
$124k-$187k/yr HybridFull Time
7+ YOEBachelor's degree required; 7+ years production .NET/C# experience; AWS and Kafka experience; frontend knowledge (Vue/React/Angular, TypeScript); SQL/NoSQL and Git workflows; unit, integration, and performance testing experience.
C#, .NET, .NET Core, AWS, Apache Kafka, Vue, React, Angular, TypeScript, Git, SQL, MS SQL, MySQL, NoSQL, Claude Code, GitHub Copilot
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Principal Software Engineer (Medical Device Software/C#, .NET, Windows)
Lake Forest, California, United States
$128k-$166k/yr OnsiteFull Time
5+ YOE5+ years developing Windows-based software using C#, .NET and related Microsoft technologies for regulated medical device environments; strong architecture, OOD, multi-threading, networking, and communication skills.
C#, .NET, WPF/XAML, MVVM, C++, Git, HL7, FHIR, DICOM, Protocol Buffers, TCP/IP
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Software Engineer (C#/.NET)
New York or Carlsbad
$101k-$134k/yr OnsiteFull Time
4+ YOE4+ years in scalable distributed systems; expert in C# and/or C++; strong OO design; API design; web service scalability; MSSQL; Perforce.
Windows Server, SQL Server, IIS, .NET, C#, C++, MSSQL, Perforce, REST API, Web Services
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Web Developer I
Anaheim, California, United States
$101k-$160k/yr HybridFull Time
3+ YOEHigh school diploma and 3+ years of software development experience in Windows environments. Requires AI-assisted development and version-control experience plus SQL, APIs, SSO, HTML, CSS, .NET, and scripting knowledge.
Claude, Codex, Figma, GitHub, Microsoft SQL, Microsoft Office, API, SSO, SQL, HTML, CSS, .NET, GitHub Copilot, Git, SQL Server Reporting Services, Agile, Waterfall
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Senior Software Engineer
Lake Forest or Houston or Philadelphia
$124k-$207k/yr HybridFull Time
Strong software development in C# (.NET) or Node.js; hands-on Microsoft Azure cloud experience; CI/CD, DevOps, container experience; knowledge of cloud architecture, networking, and secure development practices.
Microsoft Azure, C#, .NET, Node.js, CI/CD
2w
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Illustrations Applications Developer
Newport Beach, California, United States
$103k-$126k/yr OnsiteFull Time
2+ YOE2+ years application development experience; bachelor\u0002s degree or equivalent; strong skills in .NET, VB.NET, C#, JavaScript, HTML, CSS, SQL and Microsoft Excel; knowledge of life insurance/annuity products preferred.
Microsoft Excel, .NET, VB.NET, C#, JavaScript, HTML, CSS, jQuery UI, Bootstrap, SQL
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Software Engineer - AI
Irvine, California, United States
$99k-$158k/yr HybridFull Time
3+ YOEBachelor's degree and 3+ years experience. Strong Python required; proficiency in Java or .NET (C#). Experience with LLMs, agent development, RAG, vector databases, cloud platforms, data processing, and APIs.
Python, Java, .NET, C#, Agent Development Kit (ADK), LangChain, NumPy, Pandas, Scikit-learn, NLTK, SpaCy, PostgreSQL, pgvector, Pinecone, Weaviate, ChromaDB, Google Cloud Platform (GCP), Amazon Web Services (AWS), Microsoft Azure (Azure), ReactJS, OpenAI, Google DeepMind, Anthropic, MCP (Model Context Protocol), LangGraph, CrewAI, Semantic Kernel, AutoGen, Docker, Kubernetes, REST APIs, JSON, XML, CI/CD
4w
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Sr. Web Developer - AEC Integration
Redlands, California, United States
$123k-$202k/yr OnsiteFull Time
5+ YOE5+ years software product development; experience with cloud infrastructure, backend services, data pipelines; strong skills in TypeScript/JavaScript or C++/.NET/Python; agile and git proficiency; bachelor's degree in CS or related field.
TypeScript, JavaScript, NodeJS, Bootstrap, React, Angular, C++, .NET, Python, git, Amazon AWS, Microsoft Azure, Autodesk Docs, Autodesk Platform Services, Autodesk Forma, ArcGIS Experience Builder, ArcGIS, IFC, 3D Tiles, Esri i3s, ObjectArx, Revit APIs
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Senior Software Engineer
Carlsbad, California, United States
$140k-$160k/yr OnsiteFull Time
5+ YOE5+ years commercial R&D software development; strong C#/.NET skills; experience with distributed systems (RabbitMQ), Windows apps, testing, CI/CD, requirements tools (DOORS/Jama/Ketryx), Confluence, and regulated (FDA/QSR, IEC 62304/ISO 13485) environments.
C#, .NET, WPF, RabbitMQ, GitHub, Microsoft Azure DevOps, DOORS, Jama, Ketryx, Confluence, AI agents, AI-powered code generation tools
1d
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Software Development Engineer in Test (SDET)
New Braunfels or Orange
$95k-$110k/yr HybridFull Time
3+ YOEBachelor's degree or equivalent experience; 3+ years in software testing or development with test automation; programming, .NET testing, automation frameworks, APIs, CI/CD, and analytical skills.
Java, C#, Python, JavaScript, .NET, Playwright, Selenium, Cypress, REST, GraphQL, Jenkins, GitHub Actions, Azure DevOps, Docker, AWS, Azure, Agile, Scrum, E-Verify, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
2w
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Senior Software Engineer
Carlsbad, California, United States
$130k-$180k/yr OnsiteFull Time
7+ YOEBS in Computer Science,7+ years software experience,expert C#/.NET for Windows,WPF desirable,motion systems and hardware interface experience,EM/vision knowledge and Python/C++ are a plus.
C#, .NET, WPF, C++, Python, MS Windows
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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
2w
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Full Stack Developer
Chino or United States
OnsiteFull Time
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
3d
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Site Reliability Engineer III
Irvine, California, United States
$133k-$185k/yr OnsiteFull Time
3+ YOE3+ years applied SRE experience, proficiency with SRE principles, one programming language (Python, Java/Spring Boot, .Net), observability, CI/CD, container orchestration, and cloud infrastructure.
Python, Java, Spring Boot, .Net, EKS, EC2, ALB, NLB, Route 53, Terraform, Kubernetes, TLS, mTLS, CloudWatch
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