System Design
Architecture interview cases — design Twitter, URL shortener, Netflix, and more.
Filters — coming soon
[SYSTEM DESIGN] Instagram
Full Instagram architecture: post upload, feed generation (fan-out on write), social graph, engagement. Covers pre-signed URLs, cache-aside, CQRS, event-driven patterns.
Design URL Shortener
Classic system design interview case — design a TinyURL/bit.ly-style URL shortener. Covers ID generation strategies, cache-aside pattern, eventual scaling concerns. Pilot case for the new /cases content format.