Hld
System Design
Medium
Collaborative Online Whiteboard
Design a scalable collaborative online whiteboard application where multiple users can draw, edit, and annotate in real-time. The system should support functionalities like saving sessions, replaying drawings, and user authentication.
Key concepts
scalabilityreal-timecollaboration
Practise this out loud — free
Start a mock interview on THIS exact question — a voice AI interviewer opens with it, pushes back like a real onsite, then hands you an instant scorecard.
🎙 Practise this question now