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Senior Windows Developer (C# / Windows OS) – Hybrid/ Remote / Full Time

Simple Software Solutions Group
United StatesRemotefull_timeVerifiedPosted 1 Dec 2025

About the role

Job Title:  Senior  Windows Developer (C# / Windows OS / WPF)

Location: Remote or On-site Location, McKinney Texas Employment Type: Full-Time Department: Software Development Job Description: We are seeking a skilled Windows Developer with hands-on experience building and maintaining products that run on the Windows platform. The ideal candidate has strong C# programming skills and a deep understanding of Windows OS internals, APIs, and deployment best practices. You will contribute to the design, development, and optimization of desktop applications that are used by thousands of end-users. MUST HAVE Windows product development with recent experience in building windows products.

Key Responsibilities:

  • Design, develop, and maintain Windows desktop applications using C#
  • Work with WinForms, WPF, and/or UWP depending on project needs
  • Optimize applications for performance, stability, and user experience
  • Collaborate with cross-functional teams including QA, product management, Customer Service
  • Ensure code quality through unit testing and code reviews
  • Maintain documentation for software architecture and functionality
  • Debug and resolve technical issues across different Windows environments

Required Qualifications:

  • 3+ years of experience developing applications for the Windows platform
  • Proficient in C# , .NET Framework/.NET Core
  • Strong understanding of Windows OS internals , APIs, and system-level development
  • Solid understanding of packaging on a Windows platform
  • Experience with debugging tools and performance profilers (e.g., Visual Studio Debugger, PerfView)
  • Familiarity with version control systems (e.g., Git)
  • Solid understanding of software development best practices and design patterns

Preferred Qualifications:

  • Experience with Windows Installer (MSI/WiX) 
  • Familiarity with COM, interop, or hardware-level integration on Windows
  • Background in security or system services development on Windows
  • Exposure to Agile/Scrum development methodologies

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Company

Simple Software Solutions Group

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