Modern UI/UX Design Upgrade for Web Platform

I'm seeking a talented UI/UX designer to elevate the visual appeal of my existing web platform. The goal is to give the platform a more professional, modern aesthetic without altering the established color scheme and layout structure.

Key Requirements:
- Transform the platform's look to a sleek, modern design
- Maintain the current color scheme and layout structure
- Significantly enhance the platform's visual appeal

Ideal Skills:
- Proficiency in UI/UX design, with a modern design approach
- Strong understanding of color schemes and layout structures
- Experience in upgrading web platforms to improve visual appeal