AI-powered
System Design
For SDE-2 and product roles
High-level design case studies with an AI whiteboard for live practice and real-time feedback on your trade-offs.
- HLD case studies
- AI Whiteboard
- Real-time feedback
- Editorial solutions
- Progress tracking
Sample questions
- MixedCurated set 1Mixed topics
- MixedCurated set 2Mixed topics
- MixedCurated set 3Mixed topics
25 system design case studies
Each case study ships with an editorial solution, a concept quiz, and an AI Whiteboard to practise live with real-time feedback.
Case studies
Design a URL Shortener (TinyURL)
EditorialQuizAI Whiteboard
FreeDesign a News Feed (Twitter/X)
EditorialQuizAI Whiteboard
FreeDesign a Messaging App (WhatsApp)
EditorialQuizAI Whiteboard
FreeDesign Video Streaming (YouTube)
EditorialQuizAI Whiteboard
Design Short-Form Video (TikTok)
EditorialQuizAI Whiteboard
Design a Rate Limiter
EditorialQuizAI Whiteboard
Design a Web Crawler
EditorialQuizAI Whiteboard
Design Ride Sharing (Uber/Ola)
EditorialQuizAI Whiteboard
Design a Payment Gateway (Razorpay)
EditorialQuizAI Whiteboard
Design Proximity Service (Zomato)
EditorialQuizAI Whiteboard
Design a Notification System
EditorialQuizAI Whiteboard
Design a Distributed Task Scheduler
EditorialQuizAI Whiteboard