Common Interview Questions and Answers
Practice the most frequently asked interview questions with expert answers, approach tips, and AI-powered feedback.
63K views•5mo ago
Discuss Optimistic vs. Pessimistic Locking
System Design
Asked at Amazon
Easy
53.5K Users PracticedPractice with This Question
90.8K views•5mo ago
Design a Digital Asset Management (DAM) System
System Design
Asked at Adobe
Medium
77.2K Users PracticedPractice with This Question
115K views•5mo ago
Design a Hotel Booking System (Airbnb/Booking.com)
System Design
Asked at Airbnb
Hard
97.7K Users PracticedPractice with This Question
22.5K views•5mo ago
Design a CAPTCHA Service
System Design
Asked at Microsoft
Medium
19.2K Users PracticedPractice with This Question
137.7K views•5mo ago
Design a Public Transit Monitoring System
System Design
Asked at Uber
Hard
117K Users PracticedPractice with This Question
80.5K views•5mo ago
Design an API for Financial Portfolio Tracking
System Design
Asked at Stripe
Medium
68.4K Users PracticedPractice with This Question
99.3K views•5mo ago
Design a Distributed Cron/Scheduler Service
System Design
Asked at Google
Medium
84.4K Users PracticedPractice with This Question
105.1K views•5mo ago
Discuss Microservices vs. Monolith Architecture
System Design
Asked at Meta
Easy
89.3K Users PracticedPractice with This Question
77.3K views•5mo ago
Design a Serverless Data Processing System (AWS Lambda/Azure Functions)
System Design
Asked at Amazon
Medium
65.7K Users PracticedPractice with This Question
51.3K views•5mo ago
Design a System for Data Auditing
System Design
Asked at Salesforce
Medium
43.6K Users PracticedPractice with This Question