Built to hold up under real traffic.

Lead case study

Draw Collab

A collaborative drawing app where every stroke is broadcast to the room the instant it's made. Built the Socket.IO event layer to reconcile concurrent drawing actions from many clients at once without dropping or reordering strokes, and to replay full canvas state to anyone joining mid-session.

Server has a ~1 minute cold start on the free tier — give it a moment on first load.