Common Interview Questions and Answers
Practice the most frequently asked interview questions with expert answers, approach tips, and AI-powered feedback.
Company-led browse
Start with the company you are targeting
Open a company hub to see the questions candidates report most often there.
145.6K views•7mo ago
Design a Real-time Auction Bidding System
System Design
Asked at Meta
Hard
123.8K Users PracticedPractice with This Question
68.2K views•7mo ago
Design a System for Monitoring E-commerce Price Changes
System Design
Asked at Amazon
Medium
57.9K Users PracticedPractice with This Question
143.9K views•7mo ago
Discuss Serverless Functions vs. Containers (FaaS vs. CaaS)
System Design
Asked at Apple
Easy
122.3K Users PracticedPractice with This Question
104.7K views•7mo ago
Design a Basic Messaging Queue Service
System Design
Asked at Uber
Easy
89K Users PracticedPractice with This Question
71.6K views•7mo ago
Design a Graph Database Service (Neo4j)
System Design
Asked at Meta
Hard
60.8K Users PracticedPractice with This Question
23.9K views•7mo ago
Design a Disaster Recovery Plan
System Design
Asked at Amazon
Medium
20.3K Users PracticedPractice with This Question
144.5K views•7mo ago
Design an Online Game Backend (Multiplayer)
System Design
Asked at Microsoft
Hard
122.9K Users PracticedPractice with This Question
111K views•7mo ago
Design a Compliance Monitoring System (GDPR/HIPAA)
System Design
Asked at Salesforce
Hard
94.3K Users PracticedPractice with This Question
101.2K views•7mo ago
Design a Stock Ticker/Price Feed Service
System Design
Asked at Stripe
Medium
86K Users PracticedPractice with This Question
22.8K views•7mo ago
Design a Geolocation Service (IP to Location)
System Design
Asked at Google
Medium
19.4K Users PracticedPractice with This Question