System Design Interview Simulator That Feels Like the Real Thing
Our AI-powered simulator replicates real interviewer behavior - asking clarifying questions, challenging assumptions, and providing pressure that prepares you for actual FAANG interviews.
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How the Simulator Works
Our AI interviewer simulates every phase of a real system design interview
Problem Introduction
AI presents a real-world system design problem, just like in actual interviews
Requirements Gathering
AI responds to your clarifying questions about scale, constraints, and requirements
Design Discussion
Present your design while AI asks follow-ups and challenges your decisions
Deep Dives
AI probes specific components, asking you to elaborate on critical parts
Why Our Simulator Is Different
Other platforms give you static problems. We simulate the entire interview experience.
Adaptive AI Interviewer
AI adapts questions based on your answers, just like a real interviewer would
Realistic Time Constraints
Practice under the same 45-60 minute time pressure as real interviews
Comprehensive Evaluation
Get scored on design quality, communication, and problem-solving approach
Natural Conversation
Discuss your design naturally, like talking to a real interviewer
Track Your Progress
See your improvement over time with detailed analytics and feedback history
Difficulty Levels
Choose from junior, mid, or senior level problems matching your target role
Practice Without Limits
No Scheduling Required
Start a simulation whenever you want - early morning or late night
Safe Learning Environment
Make mistakes and learn without the pressure of a real interview
Instant Feedback
Get detailed analysis immediately after each session
Unlimited Retries
Practice the same problem multiple times to perfect your approach
What You'll Master
- High-level system architecture
- Component design and interactions
- Database selection and schema design
- Caching strategies and CDN usage
- Load balancing and scalability
- Data consistency and replication
- Message queues and async processing
- API design and rate limiting
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