Need to Develop a CRM for Football sites.

We have a requirement of building a CRM of our Football sites. We have 5 football soccer ecommerce sites. Each site is connected with Ecwid Store. We need to fetch Ecwid Orders data using webservice(REST API). For admin panel we an use any theme of admin dashboard. Our foremost priority is to develop backend with node.js and front end in vue.js. Sharing a doc with detailed description.