- I accomplished the design and development of backend for eCommerce site of Walmart Central America (MVP version) was put on production in less than two months as a react of pandemic of 2019 (CODVD-19). - I accomplished the unified monitor platform as a standard framework for development team and it help the support team to resolve in less time the bugs. - I designed, developed and deployed a Web Site to modeling prices based on competitor prices applying business rules and determine the best price to customers. - - I builded frameworks to developers in order to shortest developer and testing time.