Python GUI Prototype Development

I need a Python scripter to create a prototype based on existing code. The prototype should focus on demonstrating a user interface (UI) and will be built using the PyQt framework.

Key Requirements:
- Develop a graphical user interface (GUI) prototype
- Utilize PyQt for the implementation

Ideal Skills and Experience:
- Proficiency in Python and PyQt
- Experience in UI design and development
- Ability to work with existing code and deliver functional prototypes

Please provide examples of previous work with PyQt and any relevant projects. Looking forward to your bids!