Backend developer for Android app

There is a small backend development project for Android app project to be developed with the database already existing on MS SQL. Prefered language is NODE.js, express.js

Please find screenshot attached to understand the workflow.

https://docs.google.com/presentation/d/1yWjIuTHV5FrT73MgYMobiaTUGGltTclaCXdsr4RH3Kw/edit?usp=sharing