System Craft

January 4, 2026 · View on GitHub

A collection of backend system design implementations inspired by real-world interview questions.
The goal of this project is to serve as an educational resource for developers preparing for system design interviews or studying distributed systems.

🚀 Tech Stack

Monorepo: Nx
Package Manager: pnpm
Backend: NestJS
Each implementation is designed independently and may use different technologies based on its specific design goals.

📦 Current Implementations

URL Shortener
Web Crawler
Rate Limiter

🛠 Planned Implementations

Ticket Booking System (Ticketmaster-like)
Ride Sharing System (Uber-like)

💡 Implementation suggestions are welcome!
Feel free to open an issue if you have an idea for a new system design to implement.

🎯 Goal of the Project

Implement commonly asked system design interview topics
Use production-grade tools
Clean, extensible code for learning and contribution
Build real-world microservice patterns in TypeScript

📝 License

MIT License.