Python Desktop App Replication -- 3

I'm seeking a skilled Python developer to replicate my existing desktop application for Windows. The app includes user authentication, data visualization, and file management functionalities.

Key Requirements:
- Must be developed in Python
- Compatible with Windows OS
- No access to original source code

Ideal Skills:
- Proficiency in Python and experience with desktop application development
- Strong background in implementing user authentication and data visualization
- Experience in file management systems within apps

Please provide examples of similar projects you've completed.