Hey, everyone, I am new here and I really want to contribute to these projects but I don’t know where to start, if someone would be kind enough to tell as to where and how to start things, it would be great.
Welcome @ MusicBrainz.
A starting point:
i want to contribute in the recommendation systems and machine learning related projects
For more dev-centric chat you’ll want to hop on the MetaBrainz IRC channel. You can also have a hunt for open tickets directly on the ticket tracker, and just get cracking.