Lake Elsinore • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Lake Elsinore • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Lake Elsinore • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Lake Elsinore • 50 milesRemote · Hybrid · Onsite · Field · All Environments
60 net c developer jobs at 33 companies in Lake Elsinore, CA
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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
3mo
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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
2d
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.Net Full Stack Developer
Irvine, California, United States
$81k-$109k/yr OnsiteFull Time
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
3mo
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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
2mo
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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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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
1mo
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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
2w
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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
13h
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Software Engineer (C#)
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
3+ YOEBachelor’s degree in computer science, computer engineering, or related field; 3 years of software development experience; C#/.NET backend, AWS, Docker, Kubernetes, infrastructure as code, and database experience; U.S. citizenship required.
C#, ASP.NET, .NET Core, AWS, Docker, Kubernetes, SQLite, SQL Server, AWS DynamoDB, Redis, CPython
3w
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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
1mo
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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
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
1mo
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Full Stack Developer
Norco, California, United States
$90k-$190k/yr OnsiteFull Time
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
1mo
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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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IT Applications Developer II
Santa Ana, California, United States
$46-$61/hr OnsiteFull Time
1+ YOERequires comparable developer experience or a relevant bachelor's degree plus one year of experience, or a relevant master's degree. Desired skills include SQL, Oracle, .NET, C#, web applications, and software testing.
SQL, Oracle, Microsoft .NET Framework, C#, Microsoft .NET MVC, Microsoft .NET Web Forms, ASP.NET, Web API, Entity Framework, CSS, JavaScript, Microsoft Visual Studio .NET, Microsoft Visual Studio, Adobe Forms, WordPress, Microsoft Project, Microsoft Visio, Microsoft SQL Server, Agile
3w
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Software Engineer
Carlsbad, California, United States
$95k-$126k/yr OnsiteFull Time
0+ YOE0-3 years software experience, BA/BS required, experience with Node.js, Python, C#, C/C++, .NET/.NET Core, Linux, cloud (Azure preferred), strong analytical and communication skills.
Node.js, Python, C#, .NET, .NET Core, C++, Linux, AWS, Azure
3w
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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
1mo
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Senior Software Engineer, Back-End (Payments)
United States or Santa Ana or San Francisco or Oakland or Berkeley or New Jersey or Texas or Florida or Shanghai or Hong Kong or Japan or Canada or Mexico or Germany or France
$141k-$229k/yr HybridFull Time
6+ YOE6+ years engineering experience, deep C#/.NET backend skills, frontend experience with React/Svelte/TypeScript, payments/gateway and distributed-systems experience, observability and security mindset.
Stripe, PayPal, C#, .NET, React, Svelte, TypeScript, PostgreSQL, DynamoDB, Kafka, Kubernetes, AWS, Datadog
1d
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Lead Back End Developer | Titleist Performance
Oceanside, California, United States
$120k-$152k/yr OnsiteFull Time
8+ YOE8+ years developing backend applications with C# and .NET Core; expertise in Azure microservices, Kubernetes, integrations, secure APIs, DevOps, Agile practices, and technical leadership.
C#, .NET Core, microservices, Azure Kubernetes Service (AKS), Azure Blob Storage, Azure Service Bus, Azure Event Grid, Backend for Frontend (BFF), Entity Framework Core, Microsoft SQL Server, Salesforce Commerce Cloud, Salesforce Service Cloud, OAuth 2.0, OpenID Connect (OIDC), SAFe Agile, Scrum, Bitbucket, Jira, Confluence, Google Cloud Platform (GCP), Google Analytics 4 (GA4), BigQuery, Datadog, Azure DevOps
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