User-Friendly Shopify E-commerce Site

I need a Shopify website for selling small marble products, like candle stands. The main aim is to increase sales.

Key Requirements:
- User-friendly interface is crucial.
- E-commerce features: Product reviews, discount codes, and abandoned cart recovery are important but I'm open to your advice on the best options to include.

Ideal Skills and Experience:
- Proven experience in creating Shopify sites.
- Strong understanding of e-commerce features.
- Expertise in designing user-friendly interfaces.
- Knowledge in packing and dispatch optimization for small products.

Please share your portfolio and relevant project experience.