•PRACTICE

System Design Case Studies Tracker

6 case studies from Google tagged Storage with full breakdowns.

176case studies
30companies
31topics
~5 minaverage read
Web Crawler
15 min readDistributed SystemsStorageSearch
Advanced+2▶ Mock
Calendar Service (Google Calendar)
6 min readSchedulingDistributed SystemsStorage
Intermediate+2▶ Mock
Word Store with Lexicographic Range Queries
4 min readStorageAlgorithmsDatabases
Intermediate▶ Mock
Pub/Sub System with Replay (Seek Back in Time)
3 min readMessagingDistributed SystemsStorage
Advanced▶ Mock
Street View Image Ingestion and Storage
4 min readMediaStorageData Pipelines
Advanced▶ Mock
Text-to-Video Generation Service (Sora)
6 min readAI / MLSchedulingDistributed Systems
Advanced▶ Mock

Frequently Asked Questions

What are system design case studies?

System design case studies are real-world architecture problems broken down into structured breakdowns. Each case study covers requirements, high-level design, scale estimates, API designs, and deep dives into key components.

How many system design case studies should I prepare?

For FAANG interviews, preparing 15-20 case studies covering core topics like caching, load balancing, and database sharding is recommended. Focus on understanding trade-offs rather than memorizing solutions.

Which companies ask system design case studies?

All FAANG companies (Google, Amazon, Meta, Apple, Microsoft) plus top tech companies like Netflix, Uber, and Airbnb ask system design case studies. Senior-level interviews almost always include at least one system design round.

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