Shopify Store Migration

I need to transfer my current webstore, www.militaryhistorybooks.com, into a simple, clean Shopify template. The new store should improve user experience by simplifying navigation. We have over 8000 titles that need to be migrated.

Key Requirements:
- Simplified Navigation:
- Category Structure: Restructure for ease of access.
- Search Functionality: Enhance to deliver accurate results quickly.
- Menu Layout: Redesign for a cleaner, more intuitive browsing experience.

Ideal Skills & Experience:
- Shopify expertise
- Experience with large inventory migration
- Strong understanding of UX/UI principles
- Ability to restructure categories and improve search functionality

Please provide examples of similar work done.