Windows EXE Application Development

I need a developer who can turn my concept into a polished Windows-only executable and do it quickly. The core requirement is a self-contained .exe that launches without any external installers or dependencies, runs smoothly on recent Windows versions, and follows standard UI/UX conventions... (Budget: ₹600 - ₹1500 INR, Jobs: .NET, Application Packaging, C# Programming, C++ Programming, Desktop Application, Python, Software Architecture, Software Development)