Common Interview Questions and Answers

Practice the most frequently asked interview questions with expert answers, approach tips, and AI-powered feedback.

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Open a company hub to see the questions candidates report most often there.

145.6K views•10mo ago

Design a Real-time Auction Bidding System

System Design
Asked at Meta
Hard
123.8K Users PracticedPractice with This Question
68.2K views•10mo 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•10mo 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•10mo ago

Design a Basic Messaging Queue Service

System Design
Asked at Uber
Easy
89K Users PracticedPractice with This Question
71.6K views•10mo ago

Design a Graph Database Service (Neo4j)

System Design
Asked at Meta
Hard
60.8K Users PracticedPractice with This Question
23.9K views•10mo ago

Design a Disaster Recovery Plan

System Design
Asked at Amazon
Medium
20.3K Users PracticedPractice with This Question
144.5K views•10mo ago

Design an Online Game Backend (Multiplayer)

System Design
Asked at Microsoft
Hard
122.9K Users PracticedPractice with This Question
111K views•10mo ago

Design a Compliance Monitoring System (GDPR/HIPAA)

System Design
Asked at Salesforce
Hard
94.3K Users PracticedPractice with This Question
101.2K views•10mo ago

Design a Stock Ticker/Price Feed Service

System Design
Asked at Stripe
Medium
86K Users PracticedPractice with This Question
22.8K views•10mo ago

Design a Geolocation Service (IP to Location)

System Design
Asked at Google
Medium
19.4K Users PracticedPractice with This Question
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