🖥️ Backend (Node.js)

The backend powers all dynamic and personalized content in the app.

Responsibilities include:

• User authentication and session management

• Course and lesson data delivery

• Progress tracking and storage

• Exam management and result recording

• Certificate generation and delivery

Tech Stack:

• Node.js + Express.js

• MongoDB / Firebase Firestore

• REST APIs for frontend consumption

• JSON Web Tokens (JWT) for secure auth