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IoT System Design Case Studies

InterviewSkool tracks 4 IoT case studies with architecture diagrams, scale estimates, and deep dives.

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

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Companies

Amazon2OpenAI2Apple1Microsoft1NVIDIA1Walmart1

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
IoT✕Clear all
IoT / Sensor Telemetry Pipeline
7 min readIoTData PipelinesStorage
Intermediate+1▶ Mock
Smart Grid Control over Unreliable Devices
7 min readIoTDistributed SystemsReal-time
Advanced▶ Mock
Smartwatch Sensor Subsystem Design
4 min readIoTReal-timeData Pipelines
Intermediate▶ Mock
Human Avoidance for Autonomous Warehouse Robots
4 min readReal-timeAI / MLIoT
Advanced▶ Mock

Frequently Asked Questions

What is IoT in system design?

IoT is a core system design topic covered in 4 case studies on InterviewSkool. It appears frequently in FAANG interviews, especially at Google, Amazon, and Meta.

How should I prepare IoT 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

Apply these IoT case studies in a live system design mock interview with InterviewSkool's AI interviewer.

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