Website Revamp Specialist Needed

I'm looking for a skilled web developer to improve the functionality of my existing website.

Key Requirements:
- Fix broken links and errors
- Enhance loading speed
- Improve mobile responsiveness
- Ensure all features work seamlessly

Ideal Skills and Experience:
- Proven experience in website editing
- Strong knowledge of web development tools
- Ability to troubleshoot and resolve issues
- Familiarity with SEO best practices

Please provide examples of previous work and a timeline for completion.