Скачать или смотреть Order Execution Engine for DEX Trading | Deployed backend

Order Execution Engine for DEX Trading | Production-Ready Backend

Built a high-performance order execution engine that intelligently routes market orders between Raydium and Meteora DEXs to get the best prices for traders.

⚡ Key Features:
• Intelligent DEX Routing - Compares prices across multiple DEXs in real-time
• Queue Processing - Handles 113,000+ orders/minute with BullMQ
• WebSocket Updates - Live order status streaming to clients
• Docker Containerization - Multi-stage builds with production optimizations
• Production Deployment - Live on Railway with auto-migrations
• API Testing - Complete Postman collection with 8 automated tests
• Well-Tested - 44 unit tests, 100% passing, 80%+ code coverage

🛠️ Tech Stack:
Node.js • TypeScript • Fastify • BullMQ • Redis • PostgreSQL • Prisma ORM • WebSockets • Docker • Docker Compose • Jest • Postman • Railway

What I Built:
RESTful API with validation middleware & error handling
Async queue system with retry logic, rate limiting & concurrency control
Real-time WebSocket broadcasting for order updates
Docker Compose for local development (PostgreSQL + Redis)
Multi-stage Dockerfile for optimized production builds
Comprehensive testing: Unit tests + Load tests + Postman collection
Complete documentation, API guides & deployment instructions

📊 Performance:
10 concurrent workers processing orders
Rate limiting: 100 orders/min per queue
All tests passing

📌 Note: This is a mock implementation simulating DEX interactions for demonstration purposes.

🔗 Links:
GitHub: https://github.com/Ayush-0404/Eterna-...
Live Deployment: https://eterna-backend-production-38e...

#Backend #NodeJS #TypeScript #Solana #DeFi #WebSockets #Docker #Postman #Testing #API #SoftwareEngineering #DevOps