Realistic Mock Interviews
Get real-time feedback on your architecture choices from an intelligent interviewer that adapts to your seniority level.
Practice System
Design Before
The Interview.
Work through a system design prompt, sketch your architecture, and explain your trade-offs in voice or chat. Get focused AI feedback before the real interview.
Interview prompt library
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Everything you need to practice the full interview
Interactive Whiteboard
Draw system diagrams with an intuitive canvas. Create components, map data flows, and explain your design visually.
Real-world Problems
Practice common interview-style prompts, from URL shorteners to globally distributed social networks.
Ready for a focused
practice session?
Work through one prompt, explain your design, and review the feedback while it is still fresh.