Shopify Headless Integration for React/NextJS

I'm looking for a skilled developer to integrate Shopify's headless eCommerce into my React + NextJS project. The primary aim is to enhance the overall user experience on my website.

Key Integration Aspects:
- Product Catalog: Seamless and responsive display of products.
- Shopping Cart: Smooth and intuitive cart experience.
- User Authentication: Secure and efficient login/register system.

Desired Improvements in User Experience:
- Shopify headless eCommerce integration to provide a more fluid, responsive, and user-friendly interface.

Ideal Skills:
- Proficient in React and NextJS.
- Previous experience with Shopify headless eCommerce integration.
- Strong understanding of user experience design principles.