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Distributed Systems System Design Case Studies

5 Distributed Systems case studies from Goldman Sachs with full breakdowns.

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Instagram
17 min readDistributed SystemsMediaSearch
Advanced+2▶ Mock
Push Notification Service
17 min readReal-timeMessagingDistributed Systems
Advanced+5▶ Mock
Distributed Rate Limiter
8 min readRate LimitingDistributed SystemsAPI Design
Intermediate+9▶ Mock
Stock Trading Platform (Zerodha / Robinhood)
6 min readFintechPaymentsReal-time
Advanced▶ Mock
URL Shortener (TinyURL / bit.ly)
7 min readDistributed SystemsCachingStorage
Beginner+4▶ Mock

Frequently Asked Questions

What is Distributed Systems in system design?

Distributed Systems is a core system design topic covered in 90 case studies on InterviewSkool. It appears frequently in FAANG interviews, especially at Google, Amazon, and Meta.

How should I prepare Distributed Systems for system design interviews?

Study the case studies above, focusing on architecture trade-offs, scale estimates, and API designs. Practice explaining your decisions aloud — this is exactly what interviewers evaluate.

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