E-commerce Site Design

I'm looking for a skilled web designer to create an e-commerce site for selling physical products. The site should include the following features:

- Shopping cart
- Product reviews
- Customer accounts

Ideal candidates should have:

- Proven experience in designing e-commerce websites, especially for physical products.
- Strong understanding of user experience (UX) and user interface (UI) design principles.
- Ability to integrate essential e-commerce functionalities like shopping carts, product reviews, and customer accounts.
- Proficiency in responsive design to ensure the site is mobile-friendly.
- Familiarity with SEO best practices to enhance site visibility.

Please include a portfolio showcasing your previous work in e-commerce site design.