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
4w
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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
4w
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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
3w
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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
1mo
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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
1mo
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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
3mo
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Software Engineer II (AI Focus)
Anaheim, California, United States
$145k-$165k/yr OnsiteFull Time
3+ YOE3–5+ years software development; .NET (C#, ASP.NET); SQL Server; API design; on-prem enterprise software; AI feature development.
ASP.NET, .NET, SQL Server, REST, JSON, Azure OpenAI, OpenAI, Anthropic, Semantic Kernel
1mo
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Software Developer II
Brea, California, United States
$31-$35/hr RemoteFull Time
5+ YOEBachelors in Computer Science or related, 5+ years developing and testing code, experience with .Net C#, Visual Basic, RDBMS/SQL, MVC, AngularJS, Crystal Reports, GIS, APIs, Microsoft Internet Information Server, and debugging tools.
.Net, C#, Visual Basic, RDBMS/SQL, MVC, AngularJS, Crystal Reports, GIS, APIs, Microsoft Internet Information Server, source debuggers, visual development environments
1mo
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Senior Software Engineer
Ontario, California, United States
$115k-$140k/yr RemoteFull Time
6+ YOE6+ years development experience with C# and .NET, strong database and cloud experience, debugging and mentoring skills, experience with highly available web applications and AI coding assistants.
C#, .NET, Brink Point-of-Sale, Microsoft Teams, AI coding assistants
1mo
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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
1mo
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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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Software Engineer
Rancho Santa Margarita, California, United States
$38-$80k/yr OnsiteFull Time, Internship
BS in Computer Science or related (or equivalent experience); experience with C#/.NET, large-scale data processing, ETL, REST APIs, databases; strong problem-solving and communication skills.
C#, .NET, Microsoft SQL Server, Apache Kafka, REST APIs, Linux, Windows, Cassandra, ElasticSearch, CouchDB
3mo
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Software Engineer
Atlanta or Denver or New York or Albany or Baltimore or Boston or Greenville or Charleston or Columbia or Winston-Salem or Greensboro or Raleigh or Charlotte or Durham or Charlottesville or McLean or Houston or Huntsville or San Francisco or Walnut Creek or Irvine or San Diego or Glendale or Sunnyvale or Reno or Las Vegas or Nashville or Tucson or Phoenix or Washington or Wilmington
$72k-$121k/yr RemoteFull Time
5+ YOE5+ years data engineering with Microsoft technologies; strong C#, .NET, Blazor, React, TypeScript; SQL Server/T-SQL; Azure Data Factory, Microsoft Fabric, Delta Lake; production AI/RAG experience; Git and Azure DevOps.
C#, .NET, Blazor, React, TypeScript, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Dataverse, Azure Data Factory, Microsoft Fabric, Delta Lake, Dataflow Gen2, Azure SQL, Azure Synapse, SQL Server, T-SQL, SSRS, SSAS, Boomi, Azure AI Foundry, Microsoft Agent Framework, Copilot Studio, Microsoft Copilot, Microsoft Teams, Microsoft Office add-ins, Git, Azure DevOps
5d
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Software Developer II - Indoor GIS AI and Reality
Redlands, California, United States
$101k-$167k/yr OnsiteFull Time
2+ YOE2+ years professional software development; proficiency in Python and working knowledge of C++ or .NET/C#; experience with AI/ML integration, computer vision or 3D graphics, APIs, and strong problem-solving skills; Bachelor’s in CS or related STEM.
C++, .NET/C#, Python, LLMs, Gaussian Splatting, OpenCV, ONNX, ArcGIS, CAD, BIM, Revit, LiDAR, WebGL, OpenGL, DirectX, GitHub Copilot, Copilot Chat, Claude, ChatGPT, Gemini, Llama
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
2mo
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Senior Software Engineer (Card Present)
Irvine, California, United States
OnsiteFull Time
Strong C#/.NET backend, EMV/payments, PCI DSS, and RESTful APIs; experience with payment terminals SDKs; EMV Level 3 certification involvement.
C#, \\.NET, EMV, Clover, Stripe Terminal, Square, TLV, ISO 8583, PCI DSS, P2PE
1mo
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Software Engineer Full Stack (Pricing Engine)
Irvine, California, United States
$90k-$134k/yr HybridFull Time
3+ YOE3+ years building production web applications; strong frontend with Vue.js or React; backend proficiency in C#/.NET (or Java/Kotlin/Go); SQL and AWS (SQS, DynamoDB, S3, ECS, Lambda); writing tests and using agentic coding tools.
Vue.js, React, C#, .NET, Java, Kotlin, Go, SQL, Copilot, Cursor, Claude Code, AWS, SQS, DynamoDB, S3, ECS, Lambda, Memcached, Redis, Jira, Confluence, Postman, Bruno
2mo
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Engineer II, Cloud & Web Systems Software
Irvine, California, United States
$100k-$120k/yr OnsiteFull Time
2+ YOEBachelor’s degree in CS/Software Engineering or related field; 2-5 years in cloud/web/backend or distributed systems; strong programming with C#, .NET, Java, Python, JavaScript/TypeScript; cloud platforms (AWS/Azure/GCP); APIs, microservices, databases; CI/CD; Agile; good communication.
C#, NET, Java, Python, JavaScript, TypeScript, React, Angular, Node.js, AWS, Azure, Google Cloud Platform, SQL Server, PostgreSQL, MongoDB, CI/CD, Docker, Kubernetes
2mo
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Senior Developer
Foothill Ranch, California, United States
$102k-$161k/yr HybridFull Time
7+ YOE7+ years software development experience; Bachelor's in Computer Science/IT or related; proficiency with .NET (.NET Framework/.NET Core) and Microsoft SQL Server; experience with Microsoft Server and Azure; strong communication, problem-solving, and mentorship skills.
Microsoft Server, Azure, Microsoft SQL Server, .NET Framework, .NET Core
3d
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Web Developer I
Anaheim, California, United States
$101k-$160k/yr HybridFull Time
3+ YOE3+ years software development in Windows; experience with AI-assisted tools, Git/GitHub, SQL, HTML/CSS, .NET; strong problem-solving and regulatory compliance awareness.
Claude, Codex, Figma, GitHub Copilot, GitHub, Git, Microsoft SQL, Microsoft Office, SQL Server Reporting Services, HTML, CSS, .NET
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