Hello, I have worked on several projects with finance transactions and testing e-commerce web sites. JavaScript Software Developer. Plata Gasolina - Peru Project, Implementing the RESTFUL Communication Messaging Architecture under Java Web Services. Java Developer in Tu Dinero Móvil Project - Peru, Implementing the SOAP communication messaging architecture under Java Web Services. In the project, there is a company's own payment platform, for which I provide the service, called MFS, which makes communications with SAP, MASTERCARD, SYBASE, and MOVISTAR for the handling of charges, and collection of commissions to clients of Movistar Peru. So, for that reason, I can help you.