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AI / ML System Design Case Studies

3 AI / ML case studies from TikTok with full breakdowns.

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Companies

Anthropic5Google5Microsoft3OpenAI3TikTok3Adobe2Amazon2JPMorgan2Meta2Apple1Atlassian1LinkedIn1NVIDIA1Roblox1Salesforce1Snowflake1

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
TikTok✕AI / ML✕Clear all
Ad Creative Relationship Processing with an External Model API
5 min readAdsData PipelinesAI / ML
Intermediate▶ Mock
Tracing and Debugging AI Agent Tool Calls
5 min readAI / MLObservabilityDistributed Systems
Intermediate▶ Mock
Content Moderation System (Harmful Post Detection)
6 min readAI / MLSecurityData Pipelines
Advanced▶ Mock

Frequently Asked Questions

What is AI / ML in system design?

AI / ML is a core system design topic covered in 23 case studies on InterviewSkool. It appears frequently in FAANG interviews, especially at Google, Amazon, and Meta.

How should I prepare AI / ML 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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