Common Interview Questions and Answers
Practice the most frequently asked interview questions with expert answers, approach tips, and AI-powered feedback.
35.1K views•5mo ago
Design a Serverless Real-time Data Pipeline
System Design
Asked at Apple
Medium
29.9K Users PracticedPractice with This Question
126.5K views•5mo ago
Design an Image Moderation Service (NSFW Detection)
System Design
Asked at Meta
Hard
107.5K Users PracticedPractice with This Question
116.8K views•5mo ago
Design a Peer-to-Peer File Sharing System (BitTorrent)
System Design
Asked at Netflix
Hard
99.3K Users PracticedPractice with This Question
54.5K views•5mo ago
Design a Dedicated Health Check Service
System Design
Asked at Uber
Easy
46.3K Users PracticedPractice with This Question
32K views•5mo ago
Design a System for Handling Big Data Joins
System Design
Asked at Spotify
Hard
27.2K Users PracticedPractice with This Question
106.2K views•5mo ago
Design a System for Customer Relationship Management (CRM)
System Design
Asked at Salesforce
Medium
90.3K Users PracticedPractice with This Question
25.1K views•5mo ago
Design a System for Distributed Tracing (Jaeger/Zipkin)
System Design
Asked at Google
Medium
21.4K Users PracticedPractice with This Question
46.8K views•5mo ago
Discuss CQRS (Command Query Responsibility Segregation)
System Design
Asked at Microsoft
Medium
39.8K Users PracticedPractice with This Question
138.7K views•5mo ago
Design a Fraud Detection System for Reviews/Ratings
System Design
Asked at Amazon
Hard
117.9K Users PracticedPractice with This Question
142.9K views•5mo ago
Design a Low-Latency Trading Bot API
System Design
Asked at Stripe
Hard
121.4K Users PracticedPractice with This Question