Spot Traders Platform

Overview

A full-featured spot trading platform designed for cryptocurrency and traditional asset trading. Built with Java and Spring Boot, it provides real-time market data processing, order management, and comprehensive trading analytics.

Features

Trading Core

• Order Management: Full order lifecycle management
• Position Tracking: Real-time P&L calculation
• Risk Management: Position limits and margin requirements

Market Data

• Real-time Feeds: WebSocket-based price updates
• Order Book: Level 2 market depth
• Trade History: Time and sales data

Analytics

• Portfolio Performance: Historical returns analysis
• Trade Analytics: Win rate, Sharpe ratio, drawdown
• Market Analysis: Technical indicators

Architecture

┌─────────────────────────────────────────────────┐
│                  API Gateway                     │
├─────────────────────────────────────────────────┤
│  Order Service  │  Market Data  │  Analytics    │
├─────────────────────────────────────────────────┤
│              Message Queue (Kafka)               │
├─────────────────────────────────────────────────┤
│  Matching Engine  │  Risk Engine  │  Settlement │
└─────────────────────────────────────────────────┘

Technology Stack

• Backend: Java 17, Spring Boot 3
• Database: PostgreSQL, Redis
• Messaging: Apache Kafka
• Real-time: WebSocket, gRPC
• Monitoring: Prometheus, Grafana

Performance Metrics

• Order latency: < 10ms p99
• Throughput: 10,000+ orders/second
• Market data latency: < 5ms

Key Learnings

Building this platform provided deep insights into:

• High-frequency trading system design
• Event-driven architecture patterns
• Financial data consistency requirements