73 c net developer jobs at 43 companies in Bloomington, 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
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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
1w
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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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Lead Product Engineer – .NET and AI Driven
New York City or Birmingham or Miami or Tampa or Blue Ash or Cincinnati or Los Angeles
$140k-$199k/yr HybridFull Time
8+ YOE8+ years in software engineering; .NET/C# expertise; SQL Server; Azure migration; AI-assisted development; automated testing; CI/CD.
.NET, C#, SQL Server, Azure, AKS, Cosmos DB, App Services, Functions, GitHub Copilot, Claude
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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
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Senior Developer (IBM Sterling B2B Integrator) (REMOTE)
Glenview or Pittsburgh or Los Angeles County
$90k-$121k/yr RemoteFull Time
5+ YOE5+ years development experience in enterprise environments; experience with IBM Sterling B2B Integrator, .NET (C#), Java, JavaScript, SDLC and Agile; strong communication, troubleshooting, and documentation skills.
.NET, C#, Java, JavaScript, IBM Sterling B2B Integrator
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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
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Sr. Software Engineer - B2B
Los Angeles, California, United States
$130k-$150k/yr HybridFull Time
4+ YOE4+ years software development experience; strong C#/.NET or Java skills; distributed systems, concurrency, cloud (AWS) experience; relational databases; mentoring and system design experience.
C#, .NET, .NET Core, Java, AWS, SQL Server, PostgreSQL, MySQL, Kafka, DynamoDB, Elasticsearch, Docker, Terraform
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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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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
4d
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Systems Integration Developer
Redwood City or Austin or Boston or Ann Arbor or Los Angeles or New York City or San Diego
$150k-$180k/yr HybridFull Time
Bachelor's degree in computer science, information systems, or related technical field; proficiency with Boomi, C#, .NET, PowerShell, and SQL Server; experience with enterprise integrations, automation, AI agents, and Azure services.
Dell Boomi, Microsoft Copilot Studio, PowerShell, SQL, Microsoft SharePoint, Microsoft 365, SSIS, SSRS, SQL Server, C#, .NET, Power Automate, Dataverse, Microsoft Teams, Dynamics 365, Azure Logic Apps, Azure AD, Azure Data Factory, Azure App Services, Azure DevOps, Application Insights, Intapp, Aderant Expert, iManage Work, Litera Compare, Clean, Peppermint (CRM product)
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Software Engineer Intern
Los Angeles, California, United States
$30/hr HybridInternship
Required experience with C#/.NET, SQL, HTML/CSS/JavaScript, source control and OOP; pursuing a Computer Science degree; local to Playa Vista and available to work in-office three days/week.
C#, .NET, SQL, HTML, CSS, JavaScript, React, Node.js, Python, Java, AWS, Google Cloud Platform (GCP), Kafka, Amazon SQS, RabbitMQ, Docker, REST APIs
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
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
5d
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Lead Software Engineer - Fullstack - AXS
Los Angeles, California, United States
$165k-$185k/yr HybridFull Time
7+ YOE7+ years software development with technical leadership; expertise in HTML/CSS/JavaScript/TypeScript, React/Next.js, C#/.NET Core; API design, performance, accessibility; BS in Computer Science.
HTML, CSS, JavaScript, TypeScript, React, Next.js, C#, .NET Core, AWS, Node.js
2d
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Software Engineer
Los Angeles or El Segundo
$165k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOEBachelor's degree and 5+ years of software development experience with Java, C#, or Python. Requires architecture leadership, cloud and container experience, algorithms, data structures, and strong communication.
.NET, Java, Python, Angular, React, RESTful web services, AI/ML APIs, AWS, Microsoft C#, LLM, RAG, vector databases, ERP, Finance, Supply Chain, Manufacturing, SQL
3mo
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Jr. Software Developer
Los Angeles, California, United States
OnsiteFull Time
2+ YOEEntry-level to two years of web app experience; degree in a technical field; proficiency in C#/.NET; HTML/CSS/JS; SQL Server; SSRS; Power BI; Git.
C#, ASP.NET, Razor, CSHTML, Microsoft SQL Server, T-SQL, SSRS, Power BI, HTML, CSS, JavaScript, Bootstrap, Git
2w
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Application Developer
Rancho Santa Margarita, California, United States
$80k-$120k/yr OnsiteFull Time
3+ YOEBachelor's in CS/IT/Software Engineering or equivalent experience; proficiency in C#/.NET Core, React, TypeScript; 3+ years experience; knowledge of SQL Server/PostgreSQL/Azure Cosmos DB, Azure deployments, CI/CD, automated testing, and strong communication.
C#, .NET Core, React, TypeScript, SASS, SCSS, Flexbox, CSS Grid, Webpack, Vite, npm, yarn, SQL Server, PostgreSQL, Azure Cosmos DB, RESTful, GraphQL, Azure, App Services, Azure Functions, Docker, Kubernetes, Figma, xUnit, NUnit, Cypress, Playwright, React Testing Library, Azure Active Directory (Azure AD), Auth0, Azure DevOps, GitHub Actions, GitHub Copilot, Git, Azure Service Bus, RabbitMQ