Expert in E-commerece developer's

Looking for an expert In B2b ecommerece website's Development. Security ,Database,Interface Api's,App and Qc code.etc Looking for a complete setup.App and web.Highly skillful and capabale with other ecommerece platform's. ,Looking for someone who can represent proposal's first what he n\know about major platform's and what he can do to developed and make presentation on his idea's and development.How he will proceed's on it.