Node.js Backend for Mobile App

The mobile front-end is ready; now I need a solid Node.js backend that exposes clean REST APIs, persists data in PostgreSQL, and secures every call with JWT-based authentication. You will design the schema,... (Budget: ₹5000 - ₹10000 INR, Jobs: Amazon Web Services, API Development, API Integration, Express JS, Node.js, NoSQL Couch & Mongo, PostgreSQL, REST API)