Need experienced Print on Demand store manager full time, Platforms Shineon, Etsy, Printful and more..

Looking for experienced store manager for print on demand items, in particular jewelry from platform (suppliers) shineon, and other platforms such as printful. To create and optimize listings on Etsy, amazon, Shopify. We will use automation tools for fast publishing of items on multiple platforms. Also need knowledge in Shopify store and ad management. We can start with shineon + Etsy / eBay / facebook marketplace .. please review those platforms and apply. Experience needed. Thank you