Website Revamp with E-commerce Integration

I need an experienced web developer to fix and update my current website. The site has several issues that need to be addressed:

- Broken links or navigation
- Slow loading times
- Design or layout problems

In addition to fixing these issues, I need e-commerce functionality added, as I will be selling services through the site.

Ideal skills and experience:
- Proficiency in web development and design
- Experience with e-commerce integration
- Strong problem-solving skills
- Familiarity with SEO best practices to improve loading times and site performance
- Ability to create a user-friendly and visually appealing layout