Real-Time Stock Trading Simulator

A full-stack trading simulator with a custom C++ matching engine.

Architecture

Frontend: React
Backend: Node.js + Express
Database: MongoDB
Matching Engine: C++ (TCP socket)

Features

• Real-time stock trading
• Order matching engine
• Portfolio tracking
• Transaction history
• Order cancellation
• Market order book

System Flow

User → React UI
React → Node Backend API
Node → C++ Matching Engine
Engine → Trade Execution
Node → MongoDB (transactions, portfolio)

Tech Stack

React Node.js Express MongoDB C++ Docker

Run Locally

frontend + backend integration : stock-trading-simulator-gamma.vercel.app

for C++ to work run it locally : ./engine