SEO-Driven Web Design & Management

I'm looking for an expert who can handle on-page SEO while redesigning and managing my website. The primary goal is to update the look and feel of my site, with an emphasis on improving user experience, particularly in navigation, loading speed, and mobile responsiveness.

Key requirements include:
- Comprehensive on-page SEO optimization
- Modern and attractive web design
- Enhanced user experience

Ideal skills and experience:
- Strong SEO knowledge, especially on-page
- Proven web design and management expertise
- Experience in improving site navigation, loading speed, and mobile responsiveness
- Portfolio showcasing similar projects
- Ability to work within budget

Please provide a detailed proposal with past work examples.