Premium Fashion Brand Shopify Setup

I'm building a premium fashion brand and need a creative Shopify expert who can:

Fashion Product Design:
- Design fashion products (T-shirts, joggers, caps,hoodies,sneakers ) with mockups. Initial launch prioritizes T-shirts. Jogger designs should be streetwear-inspired.

Shopify Store Development:
- Build and design a full Shopify store.
- Upload products with descriptions, pricing, and variants.
- Ensure mobile-friendly, clean, and modern layout.
- Set up payment, shipping, and launch-ready configurations.
- Essential feature: Size guide.

Ideal Skills and Experience:
- Proven experience in fashion product design.
- Expertise in Shopify development.
- Portfolio showcasing previous work with fashion or lifestyle brands.

Please share your relevant portfolio.