Web & Android Customer ID Module

I have an in-house airline application and I now need a focused add-on that lets staff create a customer ID straight from the system. The work covers two fronts—our browser-based dashboard and the companion Android app—so the same workflow must feel native on both... (Budget: ₹600 - ₹1500 INR, Jobs: Android, Android App Development, API Development, Java, Mobile App Development, PHP, UI / User Interface, Web Development)