Node.js mongodb mentor - REST API for app

Looking for a mentor to help building Node.js REST API for mobile apps with MongoDB. We have a base project and would like to improve it. Working hours: Able to work 9.30pm to 12am. (GMT+8) - subject to changes Skills needed: 1) MongoDB (Advanced) 2) Node.js (Advanced) - including Braintree integration 3) Postman (Advanced) 4) Familiar with Mac and Visual Studio Code environment Tools needed: 1) Team Viewer (You will need to team viewer in and use your microphone to communicate) Reward will be base on milestone: 1) [USD 2] Braintree: Show the correct way to collect deposit and perform subscriptions event (create, cancel) and provide Node.js code for REST API. 2) [USD 4] MongoDB design + perform transaction using Node.js (Inventory update + customer checkout, backend shipment tracking) 3) [USD 2] Add index to speed up searching for listing. 4) [USD 2] Add user group, namely admin, warehouse, user