PaymentServiceProvider

A distributed payment service provider built with Spring Boot and Java, designed to handle high-volume payment processing with global reach.

Architecture

This project follows a microservice architecture with the following services:

• Payment Service - Core payment processing (Completed)
• Fraud Service - Real time fraud detection (Not yet started)
• Routing Service - Intelligent payment routing (Not yet started)
• Notification Service - Webhook and notifications (Not yet started)
• Reconciliation Service - Financial reconciliation (Not yet started)
• Merchant Service - Merchant management (In Progress)
• Currency Service - Exchange rate management (Not yet started)
• Audit Service - Compliance and audit logging (Not yet started)

Payment Flow Sequence Diagram

Prerequisites

• Java 17 or higher
• Docker and Docker compose
• Maven 3.6+