E-commerce platform CORE multi-accounts dedicated to the world of dropshipping B2B

We are looking for our upcoming project startup, programmer or development team to ecommerce platform type CORE, dedicated to the world of B2B and dropshipping. For convenience we attach platforms that are closest to the project that we would like to achieve: [login to view URL] [login to view URL] [login to view URL] Below a number of key features: Application multi account with different types of functionalities and accesses Automatic synchronization with various marktplaces: Amazon, Ebay Database synchronization products, export CSV, API Synch Bridge with major CMS and e-commerce: Magento, Prestashop, Wordpress, etc .. Preparing for the next mobile apps development For this project we intend to use it opensurce cms ecommerce platforms, such as Magento, PrestaShop or another, so we pray for all the candidates to check the specifics of the project to avoid unnecessary loss of time, we only accept applications with specific and past, and proven references. Thank you