Creation of the Restful API service using Express.js, managing to connect the frontend (flutter, react) with the data model to send the object through JSON and the tokens through the header to ensure the correct protection of the data. Finally deploying service on Digital Ocean server through PM2.

Database model design, relating collections and identifying the creation of the correct embedded documents for the correct synergy of the application. Managing to execute queries across endpoints using Node.js

API creation, connected with MongoDB database, authentication development using JWT, creation of endpoints, middlewares, services and blueprints.