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Backend Ledger System

Backend Ledger System is a secure RESTful backend application developed using Node.js, Express.js, MongoDB Atlas, and JWT Authentication. The project enables users to securely manage accounts, track balances, and perform fund transfers through authenticated APIs.

Key Features

Secure user registration and login using JWT
Account creation and balance management
Fund transfer between accounts
Protected REST APIs with middleware
Transaction history management
MongoDB Atlas database integration

Tech Stack

Node.js • Express.js • MongoDB Atlas • Mongoose • JWT • REST APIs • Render

Highlights

Designed scalable REST APIs for ledger operations.
Implemented authentication and authorization using JWT.
Built secure transaction workflows with proper validation.
Deployed the backend application on Render.

Outcome

This project strengthened my understanding of backend development, REST API design, authentication, database modeling, and secure transaction processing while building a scalable server-side application.