We would like to build foundation for our mobile app in ionic framework. This app is going to be for our saas product [url removed, login to view] . We use oAuth 2.0 and APIs. So backend is ready.
We will be doint this app in phases
Phase 1 - Login and signup
Phase 2 - View Customer / Invoice and Create Customer / Invoice
Phase 3 - Quotations / Configuration
Phase 4 - Expense, Time functionality