Interactive Whiteboard
An Excalidraw whiteboard integrated with AI interviewer. Draw your solution as you would during an actual interview.
Master system design interviews with ease
An open-source system design interview coach for realistic practice. Run it locally, study the implementation, and adapt the AI interviewer to your own workflow.
Packed with many features
Transform your system design skills with personalized AI coaching, comprehensive reports, and realistic interview simulations.
AI-Powered Interviewer
Intelligent interviewer that adapts to your responses and guides you through system design interviews.
How scalable should the system be?
The system should be able to handle hundreds of millions of users and billions of notifications daily, with low latency for delivery.
Tutor Mode
Switch to tutor mode if you need some help.
What do you think about putting the search bar inside <nav> tag?
It's not necessarily a bad idea, but there's a more precise and semantically correct element. The primary purpose of a search bar is to submit user input, which makes the <form> element the best fit. You can add "role="search"" to the form to clearly identify it as a search landmark for accessibility. So a <form role="search"> is the modern best practice.
Voice Input Support
Talk to the AI interviewer using voice input for a more natural interview experience in automatic-stop | continuous mode.
Let's start with requirements.
Interview Report
Comprehensive report of your interview performance, including strengths, weaknesses, and areas for improvement.
AI-Generated Interview Topics
Dynamic topic generation based on your target company and interview type backend | frontend | fullstack.
Drivers and riders require constant, accurate updates on their counterpart's real-time location. Develop a system that reliably ingests, processes, and disseminates this location data for all active participants.
Users expect highly relevant and quickly rendered search results for their queries. Design the frontend experience for displaying diverse search result types, ensuring fast load times and intuitive interaction.
Users consume varying amounts of AI computation based on their subscriptions and usage patterns. Develop a backend system to precisely track token usage, enforce predefined quotas, and provide data for accurate billing.
After purchasing, customers want to monitor their order's status and review past transactions easily. Design a comprehensive interface for viewing current shipping progress and accessing detailed records of previous purchases.