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I will build a modern windows desktop application
Leo Tillier
About this gig
Need a modern Windows desktop application built specifically for your business or personal project? I will develop a custom desktop application using C#, .NET, WPF and XAML, with a clean interface, reliable performance and maintainable source code. I can create: Business management tools Dashboards and admin panels Local database applications File management utilities Inventory and customer management systems Login and user management features REST API integrations SQLite database integration Custom Windows utilities Improvements or bug fixes for existing WPF apps What you can expect: Modern and user-friendly interface Clean, organized C# code Window resizing support Source code included Professional communication Testing before delivery Clear project structure Each application is developed according to the agreed requirements and package limits. Please contact me before ordering so I can review your requirements, confirm the scope and recommend the most suitable package.
Get to know Leo Tillier
Leo Tillier
Full Stack and Desktop Developer
- FromFrance
- Member sinceMay 2025
- Avg. response time1 hour
Languages
English, French
Hi, I’m Leo, a French full-stack and desktop developer. I build responsive websites, secure backend systems, REST APIs and Windows applications using JavaScript, Node.js, Python, C#, .NET and SQL. I focus on clean architecture, maintainable code, performance and clear communication. Please contact me before ordering so I can review your requirements and recommend the right solution.
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FAQ
What information do you need before starting?
I need a clear description of the application, the required features, your preferred design and any examples or reference files. Please contact me before ordering so I can confirm the scope.
Which technologies do you use?
I mainly develop Windows desktop applications using C#, .NET, WPF, XAML and SQLite. REST API integrations may also be added when required.
Will I receive the source code?
Yes. The complete source code is included in all packages, along with the compiled application files when applicable.
Can you improve or fix an existing application?
Yes. I can fix bugs, improve performance, redesign the interface or add features to an existing C# and WPF application. Please send me the project details before ordering.
Can you create an installer for Windows?
Yes. I can provide a Windows installer as an additional service. Please mention your target Windows version and installation requirements.
Does the application work on macOS or Linux?
This Gig focuses on native Windows desktop applications. WPF applications are designed primarily for Windows and are not intended for macOS or Linux.
