Development and Bugs Fix

I need a skilled developer to help me with a desktop application. The application requires bug fixes and needs to be compatible with both Windows and MacOS.

Ideal Skills:
- Proficiency in desktop application development
- Experience in debugging and fixing application errors
- Familiarity with both Windows and MacOS
- Ability to optimize performance and improve user experience

Please include your relevant experience and examples of similar projects you've completed in your bid.