Core Banking Transaction System

A Spring Boot-based backend application designed to handle core banking functionalities, including account management, complex fee management with proper distributions, transactions, balance inquiries and others. This project focuses on providing a secure and efficient API-driven system for core banking operations. Being a core engine, efficient transaction occuring while facilitating complex charge policies is prioratized here. No forntend is focused in the project.

Features

• Account Management: Create, update, and delete customers.
• Multiple account creation under the same customer.
• Multiple types of transaction type creation.
• Based on transaction types, complex charging policies can be applied.
• Separate multiple account maintaining for all the targeted recipients of the charges.
• Realtime distrubution of charge fees among all the taregeted accounts at the same time the transaction occurs.
• Transaction Handling: Perform deposits, withdrawals.
• Balance Inquiry: Check account balances in real-time.
• Secure APIs: As this application won't be directly accessed to the customers or other business users, basic authentication is applied.

Tech Stack

• Java 21
• Spring Boot 3.4.1
• Spring Data JPA (Hibernate)
• MySQL (Database)
• REST APIs

Installation

1. Clone the repository:

   git clone https://github.com/Tanjemul/core-banking-system.git
   

2. Navigate to the project directory: cd \CBS

3. Configure the database: Update application.yaml with your database credentials. This project uses mysql database.

4. Build and run the project:

   ./mvn clean
   ./mvn dependency:tree
   ./mvn spring-boot:run
   

API Documentation

The complete API documentation is available here.

You can explore all endpoints, parameters, and responses interactively.