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Distributed Systems System Design Case Studies

5 Distributed Systems case studies from Airbnb with full breakdowns.

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MakeMyTrip – Hotel Booking System
20 min readDistributed SystemsPaymentsBooking System
Beginner+3▶ Mock
Messenger App
9 min readReal-timeMessagingDistributed Systems
Advanced+5▶ Mock
A/B Testing (Experimentation) Platform
5 min readAnalyticsData PipelinesDistributed Systems
Intermediate▶ Mock
Distributed Job Scheduler (Cron at Scale)
7 min readSchedulingDistributed SystemsEvent Driven
Advanced+7▶ Mock
Distributed Key-Value Store (DynamoDB / Cassandra)
7 min readDatabasesDistributed SystemsStorage
Advanced+2▶ 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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