WIX Portfolio Site Development

I'm looking for an experienced WIX developer to create a professional portfolio website. The site should showcase my past projects, list my services, and allow me to upload new projects easily.

Key requirements:
- A grid layout for project thumbnails that can be clicked to open a full page with project descriptions.
- A user-friendly interface for uploading new projects.
- Mobile-responsive design.

Ideal skills and experience:
- Proficiency in WIX
- Strong design skills
- Experience with portfolio sites

Please provide examples of previous work and an estimated timeline.