Shopify Store Refine & Fulfillment Integration

I need an experienced Shopify developer to refine my existing store for four editions of the same book and integrate with a fulfillment center including Amazon, possibly Huboo/Gardners. Also need to integrate a variety of payment systems.

Requirements

- Update product images - Refine product descriptions - Adjust product layout on the page - Integrate with fulfillment centers (Huboo and/or others) Ideal Skills & Experience: - Proficient in Shopify - Strong eye for product presentation - Experience with fulfillment center integration - Quick turnaround time is essential