Shopify Developer for SKU-Based Multivendor Website -- 2

We are seeking an experienced Shopify developer to rebuild,design, build a commerce structure and optimize our multivendor Shopify website. The project involves creating a vendor structure based on SKU numbers to streamline inventory management and enhance user experience. SKU m´numbers should have a particular format. It should be produced automatically according to the prducts's features..
Already We purchased the template...
This project is NOT a multivendor marketplace.
template is morata-thema


It is a single-seller Shopify store.
Vendors are internal suppliers only, tracked via SKU-based logic for internal operations.

No multi-vendor marketplace apps
No vendor dashboards or vendor UX
No automated commission or payout systems
No vendor inventory management inside Shopify

All settlements with suppliers are handled manually outside Shopify.
Shopify is used only as a single seller storefront for customers.

The ideal candidate should have a solid background in Shopify development, specifically with multivendor setups. Your expertise will help us create a robust and user-friendly platform for vendors and customers alike. Also I need to import product. some of them are in wordpress, html and shopify. I need to import all product that vendors have.