67 net c developer jobs at 36 companies in Littleton, CO
2mo
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Senior C#/.Net Developer
Lone Tree, Colorado, United States
$150k-$170k/yr OnsiteFull Time
7+ YOE7+ years in software development with .NET, C#, DDD, REST APIs, SQL Server, CI/CD, and leadership.
.NET, C#, ASP.NET, REST API, SQL Server, GitHub, CI/CD, IIS, Windows Services, DDD, SOLID, Unit Testing, Integration Testing
1mo
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C# Developer
Edmonton or Calgary or Toronto or Denver or Canada or India or United Kingdom or United States
OnsiteFull Time
Strong C#, .NET/ASP.NET Core, SQL, Azure and Cosmos DB experience; familiarity with Azure DevOps, Application Insights and Python; strong system design, problem solving and communication skills.
C#, .NET, ASP.NET Core, SQL, Python, Azure, Azure DevOps, Application Insights, Cosmos DB
1w
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.NET Application Developer (Junior & Mid-Level)
Broomfield, Colorado, United States
HybridFull Time
3+ YOEBachelor's degree in Computer Science, Information Technology, or related field; 3+ years of full-stack application development experience in a large organization; proficiency with .NET, C#, web, database, and integration technologies.
Microsoft .NET Framework, ASP.NET, MVC, Application Programming Interfaces (APIs), C#, Visual Studio, Microsoft SQL Server, RESTful services, Web API, JavaScript, TypeScript, jQuery, JSON, HTML, CSS, XML
1mo
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.NET Application Developer (Junior & Mid-Level)
Broomfield, Colorado, United States
HybridFull Time
3+ YOEBachelor's degree in CS/IT, 3+ years full-stack application development experience, proficiency with .NET/ASP.NET MVC, C#, Visual Studio, SQL Server, web technologies (JavaScript/TypeScript/HTML/CSS), and APIs.
Microsoft .NET Framework, ASP.NET MVC, C#, Visual Studio, Microsoft SQL Server, RESTful services, Web API, XML, JSON, JavaScript, TypeScript, jQuery, HTML, CSS
2mo
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Senior C++/C# Software Engineer
Centennial, Colorado, United States
$100k-$140k/yr OnsiteFull Time
Bachelor's in computer science or related, strong experience with C++ or C#, familiarity with .NET and database design, problem solving and communication skills, interest in finance domain and legacy code maintenance.
Visual Studio Professional, .NET, C++, C#, Entity Framework, Microsoft SQL Server, MSTest, Moq, GitHub Copilot, Git, Azure DevOps, PowerShell
1d
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Senior Software Engineer (Modern .NET)
Denver or Kansas City or Chicago or Cincinnati or St. Louis or Florida or Iowa or Nebraska or Tennessee
$120k-$160k/yr RemoteFull Time
6+ YOERequires 6+ years of software engineering experience, C#/.NET and ASP.NET Core, REST APIs, relational databases, SQL Server, EF Core, testing, cloud deployment, CI/CD, and Git workflows.
C#, .NET, ASP.NET Core, EF Core, SQL Server, Azure, React, TypeScript, REST APIs, CI/CD, Git, Angular, Vue, Figma, Terraform, Bicep, Culture Index, Microsoft Windows
2w
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Senior Software Engineer (.NET)
Aurora, Colorado, United States
$135k-$140k/yr OnsiteFull Time
4+ YOE4+ years relevant experience with .NET/C#/MVC/JavaScript/SSIS/T-SQL; full-stack web development, Agile experience, strong SQL and UI skills; Master's or Bachelor's degree alternatives noted.
.NET, C#, MVC, JavaScript, SSIS, T-SQL, JQuery, HTML, CSS, SQL, Web Services
2mo
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Sr. Principal Cyber Software Engineer
Annapolis Junction or San Antonio or Aurora or Carey
$149k-$235k/yr OnsiteFull Time
8+ YOEBachelor's degree in computer science, information systems, or network engineering with 8+ years experience; strong C/C++, Java, Python; CNO tools; Windows/.NET and Unix/Linux development.
C, C++, Java, Perl, Python, Visual Studio, NET, Unix/Linux, Makefiles
2mo
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Software Engineer III
Greenwood Village or Denver
$130k-$150k/yr HybridFull Time
5+ YOEBachelor's in computer science or related field, 5+ years professional software development, professional experience with C# and .NET, desktop application development, strong debugging and OOP skills.
C#, .NET, C++, Azure DevOps
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Software Engineer
Denver, Colorado, United States
$120k-$150k/yr HybridFull Time
3+ YOE3–5 years software development experience; strong C# and TypeScript/JavaScript; .NET/.NET Core, ASP.NET Core, REST APIs, SQL, Entity Framework; web technologies and frameworks; CI/CD and Git workflows; prompt engineering.
C#, TypeScript, JavaScript, .NET, .NET Core, ASP.NET Core, REST APIs, SQL, Entity Framework, HTML, CSS, React, Angular, Vue, LLM, Git, GitHub, Microsoft Azure, Microsoft Azure DevOps, Microsoft Azure Data Factory, Docker, Kubernetes, AWS, SSAS, MDX, DAX, SSIS, Power BI, SQL Agent Jobs, Stored Procedures, Views
1d
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Senior Software Engineer, Offers
Denver, Colorado, United States
$125k-$155k/yr HybridFull Time
Experience leading development teams and technical projects; coaching developers; cloud platform experience; React and TypeScript; Golang microservices; exposure to C#, .NET, MSSQL, or WPF.
Go, TypeScript, React, SQL, Kafka, Google Cloud Platform, C#, .NET, MSSQL, WPF
2mo
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Lead Engineer I, Development
Denver or Atlanta
HybridFull Time
5+ YOEMinimum five years software development experience; bachelor’s degree required (master’s preferred). Experience with microservices, REST APIs, Python/.NET/C#/Angular/TypeScript, SQL and Azure; ML framework experience preferred.
Angular, TypeScript, Python, .NET, C#, SQL, T-SQL, Azure, App Services, Functions, SQL Database, DevOps, Azure OpenAI, PyTorch, TensorFlow, scikit-learn
4w
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Software Engineer II
Denver or Fort Collins or Boulder
$90k-$110k/yr HybridFull Time
3+ YOE3+ years software development with C#/.NET and Angular, Azure and SQL Server experience, CI/CD and DevOps familiarity, strong problem solving and communication; U.S. citizenship required.
.NET, Angular, C#, SQL Server, Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure SQL, Microsoft Azure Storage, Microsoft Azure Key Vault, GitHub, Azure DevOps, GitHub Actions, BICEP, Terraform, ARM templates, Docker, Kubernetes, ServiceNow, JavaScript, TypeScript, HTML, CSS, React, Vue
3w
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(USA) Software Engineer II
Seattle or Denver
$88k-$186k/yr OnsiteFull Time
3+ YOE.Net and C# proficiency, experience with MongoDB/NoSQL and AWS, commercial software development experience, bachelor's degree or 3+ years engineering experience, strong debugging and analytical skills.
.Net, C#, MongoDB, NoSQL, AWS, WCAG 2.2 AA
3d
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Lead Software Engineer - Murex
Philadelphia or Denver or Cedar Rapids
$111k-$135k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years of software engineering; Murex development; Java, .NET/C#, SQL, integrations, ETL, reporting, troubleshooting, and derivatives lifecycle knowledge.
Murex, MxML, SQL Server, Oracle, SSIS, AWS Glue, SSRS, Microsoft Excel, Visual Studio, Git, Bitbucket, Maven, Jenkins, Nexus, SQL Management Studio, NUnit, Docker, OpenShift, Kubernetes, Java, .NET, C#, Python, Swagger, OpenAPI, Kafka, REST APIs, Spring Framework, J2EE, Control-M, Kiro, Microsoft Windows Server, Linux, Unix, Excel VBA
2d
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Senior Software Engineer
Denver, Colorado, United States
$115k-$140k/yr HybridFull Time
5+ YOEBachelor's degree in a related field or equivalent experience; 5+ years software development, 3+ years C# and Microsoft SQL Server; experience with .NET, web frameworks, testing, architecture, and source control.
C#, .NET, Microsoft Visual Studio, ASP.NET, WCF, ADO.NET, Entity Framework, MS SQL, HTML5, CSS, JavaScript, Blazor, React, Vue, Angular, MVC, Web API, ODATA, NUnit, MSTest, Microsoft SQL Server, OWASP
2mo
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Staff Cyber Software Engineer
Annapolis Junction or San Diego or Aurora or San Antonio or Cary
$186k-$292k/yr OnsiteFull Time
8+ YOEDegree in CS/IS/Network Engineering with 8+ years (PhD/8, MS/10, BS/12) experience; programming in Assembly, C, C++, Java, Perl, or Python; experience with Visual Studio/.NET or Unix/Linux build environments, network sockets and packet-level protocols; clearance with polygraph required.
CNO, Assembly, C, C++, Java, Perl, Python, Visual Studio, .NET, Unix, make, Linux, Windows, GOTS
2w
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Sr. Optimizely Developer
Massachusetts or Denver or Boston or Worcester
HybridFull Time
5+ YOERequires 5+ years of full-stack web development, including 3+ years with Optimizely; expertise in C#, .NET, HTML, CSS, JavaScript, Git, and CI/CD pipelines.
Optimizely CMS, Episerver, Core Web Vitals, Salesforce, Marketo, Adobe Commerce, Optimizely Web Experimentation, GitHub Copilot, ChatGPT, Optimizely Feature Experimentation, Figma, C#, .NET Core, MVC, HTML5, CSS3, SASS, JavaScript, ES6+, jQuery, React, Vue, Project JS, Git, Azure DevOps, GitHub Actions
1mo
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Engineering Developer
Lone Tree, Colorado, United States
OnsiteFull Time
3+ YOE3+ years software development experience; strong C#/.NET and Windows desktop (WinForms); experience with 2D graphics, geospatial math, AI-assisted development, and aviation domain knowledge.
C#, .NET, WinForms, PHP, Swift, GDI+, SVG, SkiaSharp, Anthropic Claude, Claude Code, GitHub Copilot, Git, CI/CD, Ollama, llama.cpp, LM Studio
1w
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Senior Analyst/Developer
Englewood, Colorado, United States
$96k-$138k/yr OnsiteFull Time
5+ YOE5+ years .NET full-stack and SQL Server experience; BS in CS or related; expertise with C#, ASP.NET, Microsoft SQL Server, T-SQL, SSIS; experience with Databricks, cloud platforms, GitLab; strong analytical and problem-solving skills.
C#, .NET, ASP.NET, Microsoft SQL Server, T-SQL, SSIS, Databricks, AWS, Azure, GCP, GitLab, Oracle EBS R12, KIRO, LLM APIs, Copilot