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System Design at Snap

Snap system design interviews emphasise mobile-first architecture, real-time notification systems, photo and media handling, and location-based features. They look for expertise in building highly performant mobile applications.

3 guides available•Interview focus: Android system design, notification systems, photo apps, and ride-hailing mobile architecture.

Snap System Design Interview Guides

Nov 20, 2025•20 min•

hard

Android System Design: Design a Photo Sharing App

A complete Android system design guide for designing a photo sharing app like Instagram. Covers Clean Architecture, image loading with Glide vs Coil, multi-laye...

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Nov 18, 2025•22 min•

hard

Android System Design: Design Uber's Mobile App

A complete Android system design guide for designing Uber's mobile app — written in a conversational interview style. Covers Clean Architecture, real-time locat...

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Nov 4, 2025•22 min•

hard

Android System Design: Design a Notification Library

A complete Android system design guide for designing a notification library. Covers library API design, FCM push pipeline, BroadcastReceiver, Android Notificati...

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