Real-world system design breakdowns of the products powering everyday life — how billion-user platforms handle scale, reliability, and speed under the hood.
01Real-Time SystemsZomato/Uber Eats Rider Tracking
Study how food delivery apps track riders in real time, estimate arrival times, and provide smooth live location updates while optimizing battery and network usage.
Read Case Study →
02Geospatial SystemsUber Driver Matching
Learn how nearby drivers are discovered and matched to riders using geospatial indexing and intelligent allocation algorithms.
Read Case Study →
03Messaging SystemsWhatsApp Reliable Messaging
Understand offline messaging, acknowledgements, retries, message ordering, and end-to-end delivery.
Read Case Study →