rocket_launch

Real-World Case Studies

Put theory into practice. End-to-end system design walkthroughs for real applications at scale. Learn by building the systems you use every day.

The classic interview question. Unique ID generation, redirection, and high read/write ratios.

Real-time communication. WebSockets, message persistence, and unread counters.

Fan-out on write vs fan-out on read. timeline generation and caching strategies.

Quadtrees, Geohashes, and matching drivers to riders in real-time.

Video transcoding, CDN distribution, and adaptive bitrate streaming.