PC Controller Overlay Development

I'm seeking an experienced developer to create a customizable controller overlay for PC. The overlay should allow for key mapping and customizable themes.

Key Requirements:
- Key mapping functionality
- Customizable themes
- Experience with PC controller overlays
- Submit past work as part of application

Ideal Skills:
- Proficiency in software development for PC platforms
- Strong UI/UX design skills
- Familiarity with input mapping and customization

Please provide examples of relevant past work.