Windows Desktop Data Posting App

I need a Windows desktop application developed in C#. The application will be used to post pre-saved text data from the local system to a specified site via HTTPS requests.

Key Requirements:
- Windows compatibility
- Developed in C#
- Secure HTTPS data posting
- User-friendly interface for data management

Ideal skills and experience:
- Proficiency in C# and Windows application development
- Experience with HTTPS requests and data transmission
- UI/UX design for desktop applications
- Knowledge of data security practices