amazon fba ebay order fulfillment

Looking for a freelancer to handle my Amazon FBA and eBay orders for my electronics products. The ideal candidate should have experience in handling both marketplaces. In terms of skills, the freelancer should have a good understanding of inventory management and shipping logistics and programming. The tool should set an amazon order on my amazon fba shop when an ebay order comes in. so the ebay order should send out with amazon fba.