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Real-time System Design Case Studies

2 Real-time case studies from JPMorgan with full breakdowns.

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Companies

Meta14Microsoft11OpenAI8Uber8Amazon7Google6Salesforce6Atlassian4Bloomberg4LinkedIn4Netflix4TikTok4Anthropic3Apple3Capital One3Flipkart3Oracle3Roblox3Walmart3Airbnb2Databricks2Goldman Sachs2JPMorgan2NVIDIA2Pinterest2Rippling2Snowflake1Visa1

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
JPMorgan✕Real-time✕Clear all
Push Notification Service
17 min readReal-timeMessagingDistributed Systems
Advanced+5▶ Mock
ChatGPT-Style Conversational AI Service
7 min readAI / MLReal-timeDistributed Systems
Advanced+2▶ Mock

Frequently Asked Questions

What is Real-time in system design?

Real-time is a core system design topic covered in 51 case studies on InterviewSkool. It appears frequently in FAANG interviews, especially at Google, Amazon, and Meta.

How should I prepare Real-time 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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