Shopify Store Design for Custom Mugs

I'm in need of a Shopify expert to design a professional, minimalist and clean online store for my customized mug business.

Key Requirements:
- Design a Shopify store with a minimalist and clean aesthetic.
- Incorporate a product customization tool for the mugs.
- Set up a customer reviews section to build trust and engagement.
- Implement a newsletter signup feature for customer retention and marketing.

Ideal Skills:
- Proficiency in Shopify design and development.
- Strong understanding of UX/UI principles.
- Experience with eCommerce and product customization tools.

Please provide examples of similar projects you've completed.