Mock System Design Interview Experience Real Interview Conditions
Practice with an AI interviewer that asks follow-up questions, challenges your decisions, and evaluates your design just like a real FAANG interviewer would.
Watch a Mock Interview in Action
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First interview is free - no credit card required
Why Mock Interviews Are Essential
The difference between passing and failing often comes down to interview experience and confidence under pressure.
Without Mock Interviews
Freeze under pressure during the real interview
Struggle to articulate design decisions clearly
Miss important clarifying questions
Fail to handle curveball questions
Don't know your weak areas until it's too late
With Mock Interviews
Stay calm and confident during real interviews
Communicate designs clearly and concisely
Ask the right questions upfront
Handle unexpected challenges smoothly
Know exactly what to improve before the real thing
What Makes Our Mock Interviews Different
Most practice platforms give you static problems. We simulate the real interview experience.
Interactive AI Interviewer
Not just a static problem - our AI asks follow-up questions, digs into your decisions, and challenges your assumptions like a real interviewer.
Real Time Pressure
Experience the same 45-60 minute time constraint as actual interviews. Learn to pace yourself and prioritize what matters most.
Comprehensive Feedback
Get detailed analysis of your design, communication, and decision-making. Know exactly what to improve before your real interview.
Practice Common Interview Questions
Our mock interviews cover the most frequently asked system design problems
Design Instagram/Twitter - social media at scale
Design YouTube/Netflix - video streaming platform
Design Uber/Lyft - real-time location matching
Design WhatsApp/Slack - messaging system
Design TinyURL - URL shortening service
Design Google Search - web crawler and indexer
Design Amazon/eBay - e-commerce platform
Design Dropbox/Google Drive - file storage system
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