Yada is an innovative and transparent marketplace application for building materials, adopting an S2B2C model that provides comprehensive solutions for construction material needs. As a business ecosystem, Yada features two main modules: a back office for business management and a customer application for a seamless shopping experience. The back office consists of two applications: Yada Admin and Yada Telemarketer. Yada Admin manages everything related to the customer application, while Yada Telemarketer is used to handle paid transactions and offer them to partners until the transaction process is completed.