Socket.IO to Ably Migration

I am looking for a freelance developer to help in my existing project of real time whiteboard. The project is already ready (complete working) by using socket IO of javascript just need to replace it with ABLY realtime
(https://ably.com/)

Requirements:

JavaScript/Node.js expertise
Real-time communication knowledge (Ably and Socket.IO)
Web app development skills
API integration and documentation