One-Product E-commerce Website Development

I need a simple yet effective website to sell a single product directly online. This product is a therapy ball for pain relief from minor aches. It is designed for the spine and low back, in particular, and is easy to use and effective. Designer should have background in physical medicine, back pain, anatomy and associated therapies. The accompanying brochure is a comprehensive description of use. Jpegs of photos available.
Must be able to utilize existing promo materials and create a graphically enticing store that will educate and excite customers to purchase.

Key requirements:
- Customers should be able to select a quantity and pay online.
- Payment options must include credit/debit cards, PayPal, Apple Pay, and Google Pay.

Ideal skills and experience:
- Proven experience in developing e-commerce websites.
- Familiarity with multiple payment integration.
- Strong UI/UX design skills to ensure a smooth customer experience.

Please provide examples of previous similar work.