Yape Code Challenge - Joel Valdez

[jo3l17]

Yape Code Challenge - Complete Implementation

A comprehensive implementation of the Yape Code Challenge featuring an event-driven microservices architecture for financial transaction processing with anti-fraud capabilities.

Core Features Implemented

• Transaction Management: GraphQL API for creating and retrieving transactions
• Anti-Fraud System: Automatic rejection of transactions > 1000
• Event-Driven Architecture: Kafka-based microservices communication
• Database: PostgreSQL with TypeORM entities
• Testing: Comprehensive test suite with Jest
• Docker: Complete development and production environments
• Monitoring: Kafka UI for message flow visualization

Technology Stack

• Backend: NestJS + TypeScript
• API: GraphQL with Apollo Server
• Database: PostgreSQL + TypeORM
• Message Broker: Apache Kafka
• Containerization: Docker & Docker Compose
• Testing: Jest + Integration Tests

Key Highlights

• All requirements fulfilled
• Modern microservices architecture
• Comprehensive testing suite
• Production-ready deployment
• Visual documentation with examples
• Complete Docker setup
• Kafka UI monitoring

The system is fully functional and ready for immediate testing at http://localhost:3000/graphql

Quick Start: npm run docker:up → npm run seed → Ready to test!