Amazon, Ebay, Gumtree, opencart/Openbay. sales person

manage ebay, amazon, and gumtree adds, manage post handle sales and accounts. There is a module in open cart call Openbay, that intergrates with opencart. Need someone who knows how to use and set this up . and can manage the day to day operation if needed, managing all product loading and sales and marketing for this site. ebay, amazon, gumtree. we have a existing online store, and are expanding sales into ebay and amazon. you must be proficient and confident in using opencart and openbay module