Python App UI Cleanup

I need an experienced developer to clean up the user interface of my existing Python application that analyzes vibration data. The underlying engineering works fine; I just need to improve usability.

Key Tasks:
- Improve page navigation across 4-6 pages
- Optimize button placement
- Ensure overall layout consistency

Ideal Skills and Experience:
- Strong background in UI/UX design
- Proficiency in Python and familiarity with Python-based applications
- Proven experience in similar UI cleanup projects

Please include relevant experience in your application.