Advanced project · about 50 minutes

URL Shortener Service 🔗

Base62 encode incrementing IDs into short codes, store the mapping, count clicks and handle unknown codes. Ready to wrap in FastAPI.

A favourite system design interview question, in miniature. The core is turning an integer ID into a short string using 62 characters and back again.

This is a Pro project. Six portfolio projects are free, so you can see how they work before deciding.