Shopify POD Shop Redesign

I'm seeking an experienced Shopify developer to redesign my print-on-demand shop. The new design should allow users to add their own designs for printing and purchasing.

Key Requirements:
- Users should be able to customize products through:
- Text customization
- Image upload
- Selecting from pre-designed templates
- Integration with Printful is a must.
- The design process for users should be intuitive, using a drag-and-drop editor.

Ideal Skills and Experience:
- Proficiency in Shopify and Printful integration
- Strong design skills, particularly in creating user-friendly, drag-and-drop interfaces
- Experience with product customization tools and templates