Real-time Collaboration Fix for Excalidraw

I need a talented developer to help me resolve some issues with real-time collaboration on my Excalidraw canvas. Currently, one user's drawing is visible to others, but the socket.io broadcast is causing excessive blinking for all users at once.

Key Tasks:
- Diagnose and resolve the flickering issue
- Ensure smooth, real-time collaboration

Ideal Skills and Experience:
- Extensive experience with socket.io
- Previous work with Excalidraw or similar canvas applications
- Strong problem-solving skills
- Ability to implement user-friendly solutions