The latest articles on Forem by Mido (@midodev). https://forem.com/midodev https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3573231%2F5f8c3666-8bb7-4321-908c-be5b1369b81e.png https://forem.com/midodev en Mido Sun, 19 Oct 2025 02:17:51 +0000 https://forem.com/midodev/i-built-a-real-time-trading-simulator-with-nextjs-and-socketio-5goj https://forem.com/midodev/i-built-a-real-time-trading-simulator-with-nextjs-and-socketio-5goj <p>Just finished building Flash, a real-time trading simulator that handles live market data with WebSocket updates.</p> <h2> Key features </h2> <ul> <li>Real-time price updates for stocks, crypto, and forex</li> <li>AI-powered portfolio analysis using OpenAI</li> <li>Redis caching to optimize API calls</li> <li>Full authentication and portfolio management</li> </ul> <h2> Tech stack </h2> <p>Next.js, TypeScript, Express, Socket.IO, Prisma, PostgreSQL, Redis, OpenAI</p> <h2> Demo </h2> <p><a href="https://www.loom.com/share/fae00dc1ee7741a8bb66ab4c41f74f20?sid=381ed054-aff5-4989-999e-7e22412ebf1c" rel="noopener noreferrer">Video</a><br> <a href="https://flash-sim.vercel.app" rel="noopener noreferrer">Live</a><br> <a href="https://github.com/mohammed-adl/flash-trading-simulator" rel="noopener noreferrer">GitHub</a></p> <h2> What's next </h2> <p>Planning to add stop-loss/take-profit orders, deeper analytics, and more advanced AI features.</p> <p>Let me know if you have questions about the implementation!</p> nextjs webdev ai node