Create a Module of Products-(Plans-AddOns-Coupons) of a project

We're creating a subscriptions system that will allow businesses that purchase the service to make recurring charges for their customers based of different products and plans. For that, we need help to create different modules for the main project, for now, we need to create a Product module with the submodules plans, Addons and coupons. A product can have several plans associated. A product can have associate an AddOn A product can have associate a Coupon The detail of the modules are inside de document. For this, the project will have different modules and different parts or modules will be delivered to different developers and then the integration by the QPayPro team into the central system. To prepare the module, the following must be considered at the time of its development: 1. The development will be carried out on the structure and general design that is currently available and will be delivered to the developer who will support the development of the module (Framework, programming files, database schema, etc). 2. Must have knowledge in Laravel 5 3. Work on PHP 5.4 libraries 4. MariaDB 5. A development area with the specific characteristics and described above will be delivered to a web server ready to work. General specs • The system must adapt to the graphic basis of the current system.(General admin panel) • All the views must be responsive and adapt mainly to the operation through the mobile phone. • The system must have files for translation into multiple languages, initially they will be loaded in Spanish and English. A project manager from QPayPro will be assigned to the project and will be in constant communication with the developer to solve doubts, perform tests and validate the execution of the project.