E-commerce Setup for Supplement Store

I need an e-commerce setup for my supplement store, focusing on creating a seamless online shopping experience. The preferred platform for this project is Shopify, but I am open to exploring WooCommerce and BigCommerce for future enhancements or flexibility.

Key Requirements:
- Set up a fully functional e-commerce store on Shopify.
- Ensure the store is optimized for user experience and easy navigation.
- Integrate payment gateways and ensure secure transactions.
- Provide training or documentation for managing the store post-launch.

Ideal Skills and Experience:
- Proven experience in setting up e-commerce stores on Shopify.
- Strong portfolio showcasing past work in e-commerce development.
- Familiarity with WooCommerce and BigCommerce for potential future integration.
- Ability to deliver a detailed project proposal outlining the approach and timeline.