Full-Stack Stock Trading Platform
An independent stock trading platform concept featuring buy/sell orders, portfolio tracking, and secure REST APIs.
Project Overview
An independently developed, full-stack stock trading platform. The application provides simulated real-time market data feeds, user portfolio tracking, historical performance charts, and secure order execution gates.
The Challenge
Fintech web applications must handle high-concurrency requests, maintain absolute data consistency for financial transactions, and update UI statistics in real-time.
The Solution
We built a full-stack system using Node.js and MongoDB. We implemented JWT authentication for session security and WebSockets for pushing real-time simulated ticker changes. The backend implements a robust transaction model that ensures ledger consistency.
System Architecture
Execution Architecture
MERN Stack (MongoDB, Express, React, Node.js) with custom WebSockets server for ticker broadcasts.
Key Case Details
Technologies Used
Measured Outcomes
- Maintained sub-100ms real-time chart updates via optimized WebSocket channels.
- Designed a comprehensive dashboard with asset allocation charts and transaction histories.
- Implemented server-side validation preventing race conditions in order processing.
- Engineered clean REST APIs allowing third-party API keys for automated mock trading.
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