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Event Driven System Design Case Studies

InterviewSkool tracks 14 Event Driven case studies with architecture diagrams, scale estimates, and deep dives.

Filter by company to see which companies ask Event Driven questions, or browse all case studies.

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Companies

Rippling3Salesforce3Amazon2Google2Microsoft2OpenAI2Airbnb1Bloomberg1Capital One1Databricks1JPMorgan1LinkedIn1Meta1Netflix1NVIDIA1Snowflake1TikTok1Visa1Walmart1

Topics

Distributed Systems 90Real-time 51Storage 43Data Pipelines 42API Design 41Databases 38Caching 37Security 32AI / ML 23Algorithms 20Scheduling 20Search 19Event Driven 14Fintech 14Payments 11Geospatial 11Analytics 11Observability 11E-commerce 11Messaging 10CDN 9Concurrency 8Ads 8Frontend 8Booking System 6Networking 5IoT 4Media 3Media Streaming 3Collaboration 3Rate Limiting 2
Event Driven✕Clear all
Coupon Distribution System
7 min readDistributed SystemsSecurityEvent Driven
Advanced—▶ Mock
Bidirectional Data Sync Dashboard
5 min readDistributed SystemsEvent DrivenDatabases
Intermediate▶ Mock
Cross-Region Event Processing Platform
4 min readEvent DrivenDistributed SystemsMessaging
Advanced▶ Mock
Distributed Job Scheduler (Cron at Scale)
7 min readSchedulingDistributed SystemsEvent Driven
Advanced+7▶ Mock
Expense Policy and Violation Processing (Rippling)
5 min readFintechDistributed SystemsEvent Driven
Advanced▶ Mock
Multi-Carrier Parcel Shipping System
4 min readE-commerceAPI DesignEvent Driven
Intermediate▶ Mock
Multi-Vendor Integration Platform (Connectors for Email, Slack, CRMs)
4 min readAPI DesignSecurityEvent Driven
Intermediate▶ Mock
Payment Processing System (Stripe-style)
6 min readPaymentsFintechDistributed Systems
Advanced+1▶ Mock
Perishable-Goods Inventory and Location Tracking
3 min readE-commerceDatabasesEvent Driven
Intermediate▶ Mock
Smart Grid Control over Unreliable Devices
7 min readIoTDistributed SystemsReal-time
Advanced▶ Mock
Pub/Sub System with Replay (Seek Back in Time)
3 min readMessagingDistributed SystemsStorage
Advanced▶ Mock
Cloud Resource Change Tracking Database
3 min readDatabasesEvent DrivenStorage
Intermediate▶ Mock
Global Restaurant Chain Menu Update System
4 min readDistributed SystemsCDNCaching
Intermediate▶ Mock
Scaling a Rules Engine for High Traffic (Rippling)
3 min readDistributed SystemsAlgorithmsEvent Driven
Advanced▶ Mock

Frequently Asked Questions

What is Event Driven in system design?

Event Driven is a core system design topic covered in 14 case studies on InterviewSkool. It appears frequently in FAANG interviews, especially at Google, Amazon, and Meta.

How should I prepare Event Driven 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.

Practice with a Mock Interview

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