Adaptive practice
AI-Assisted Interviews
Get real-time feedback on your architecture choices from an intelligent interviewer that adapts to your seniority level.
Voice or chatLive feedback
Master System
Design
Interviews
Practice distributed systems with interview-style prompts, an interactive whiteboard, voice or chat, and focused AI feedback.
Interview prompt library
NEWS FEEDCHATVIDEOPAYMENTSMAPSSEARCHURL SHORTENERFILE STORAGERATE LIMITERNOTIFICATIONSANALYTICSBOOKING
Everything you need to practice the full interview
A focused workspace for prompts, diagrams, conversation, and feedback—without switching tools.
Think visually
Interactive Whiteboard
Draw system diagrams with an intuitive canvas. Create components, map data flows, and explain your design visually.
Excalidraw canvasArchitecture tools
Interview library
Real-world Problems
Practice common interview-style prompts, from URL shorteners to globally distributed social networks.
Multiple levelsPractical scenarios
Ready for a focused
practice session?
Work through one prompt, explain your design, and review the feedback while it is still fresh.