Caching Interview Questions
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backend system design
ByteDance
TikTok
Kuaishou
ByteDance System Design: Reward Backend for High QPS
Design a scalable, fault-tolerant reward backend for ByteDance that handles 10k QPS. Explore caching, rate limiting, load balancing and consistency—study now.
Software Engineer, Backend EngineerMid Level
backend system design
Roblox
Epic Games
Unity
Roblox Backend System Design: Like/Unlike (1M QPS Scale)
Design a scalable Roblox like/unlike system handling 1M QPS with low latency, strong consistency, and high availability. Read architecture choices & tips.
Software Engineer, Backend EngineerMid Level
backend system design
Salesforce
Google
Amazon
Salesforce System Design: Scalable URL Shortening Service
Design a scalable, low-latency URL shortening service for Salesforce interviews. Learn API design, storage, caching, idempotency and trade-offs. Prepare now.
Software Engineer, Backend EngineerMid Level
backend system design
Snapchat
Meta
Amazon
Snapchat System Design Interview: Price Tracking & Alerts
Prepare for Snapchat backend interviews: design a scalable price-tracking and alerting system. Learn architecture, trade-offs, scraping, scheduling, and notifications.
Software Engineer, Backend EngineerMid Level
backend system design
PayPal
Venmo
Square
System Design: Hybrid Media Storage for Mobile Apps
Design a hybrid media storage system for mobile apps: combine on-device and cloud object storage, sync, caching, and offline access. Read design approach & follow-ups.
Software Engineer, Backend EngineerMid Level
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