Website Redesign for Enhanced UX

I'm looking for a skilled web developer to redo our website while keeping the main page intact. The primary goal of this redesign is to improve user experience.

Key Requirements:
- Faster load times
- Simpler navigation
- Mobile responsiveness
- Maintain the existing content with some modifications

Ideal Skills and Experience:
- Proven track record in website redesign
- Expertise in optimizing site speed
- Strong UI/UX design skills for intuitive navigation
- Experience with mobile-first design principles
- Proficient in content management systems for seamless content updates

Please provide examples of previous work and a brief plan on how you would approach this project.