4 winform jobs at 3 companies in Denver, CO

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Engineering Developer
Lone Tree, Colorado, United States
OnsiteFull Time
Aircraft Performance Group
Aircraft Performance Group: Develops flight operations software for performance analysis and planning.
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
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Software Engineer (Desktop.NET)
Kansas City or Denver or Chicago or Cincinnati or St. Louis or Florida or Iowa or Nebraska or Tennessee
$100k-$140k/yr RemoteFull Time
Computer Information Concepts
Computer Information Concepts: Software for K-12 schools and local government administration.
5+ YOE5+ years of .NET software engineering, strong C# and VB.NET, WinForms, modern .NET, SQL Server/T-SQL, ASP.NET/IIS, testing, Git, CI/CD, NuGet, monitoring, and agile product development experience.
C#, VB.NET, WinForms, .NET Framework, .NET, SQL Server, T-SQL, ASP.NET, IIS, SAP Crystal Reports, JSON, XML, Git, GitHub, NuGet, LINQ, Entity Framework, GitHub Actions, Azure DevOps, PowerShell, REST APIs, Claude Code, Codex
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OT Applications System Developer
Lakewood or Texas or Wyoming or Utah or Colorado
$85k-$137k/yr OnsiteFull Time
Tallgrass
Tallgrass: Provides midstream energy infrastructure and delivery services.
2+ YOEBachelor's in CS/IS/Business or 5+ years Maximo developer experience; 2+ years system development with C#, Python, Java, REST API/JSON, and SQL; MS SQL/Oracle, git, WinForms/.NET, Maximo, BIRT/Power BI; valid driver’s license.
IBM Maximo, C#, Python, Java, REST API/JSON, SQL, MS SQL, Oracle, git, git-hub, WinForms, Microsoft .Net, BIRT, Power BI, Microsoft Excel, Microsoft Word, Microsoft Access, Microsoft PowerPoint, Microsoft Outlook
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OT Applications System Developer, Sr.
Lakewood or Casper or Utah or Wyoming or Texas or Colorado
$105k-$158k/yr OnsiteFull Time
Tallgrass
Tallgrass: Provides midstream energy infrastructure and delivery services.
5+ YOEBachelor's degree or 7+ years Maximo experience; 5+ years system development experience using C#, Python, Java, REST API/JSON, and SQL; MS SQL/Oracle, DevOps (git/git-hub), Maximo MAS development, strong communication and analytical skills.
Maximo Application Suite (MAS) Manage, Maximo Integration Framework (MIF), Maximo BIRT, Microsoft Fabric, Power BI, C#, Python, Java, REST API/JSON, SQL, MS SQL, Oracle, git, git-hub, WinForms, Microsoft .Net, Microsoft Excel, Microsoft Word, Microsoft Access, Microsoft PowerPoint, Microsoft Outlook