UX-Focused Website Development from Gamma Site

I need a professional web developer to enhance the user experience of my existing Gamma site. The primary aim of this project is to improve the website's navigation to make it simpler and more user-friendly.

Key Requirements:
- Transform the existing site into a top bar menus navigation style
- Simplify the site's navigation overall

Ideal Skills:
- Extensive experience in website development
- Proven track record of improving user experience on websites
- Proficient in designing and implementing top bar menu navigation systems