Welcome to DA
To get yourself started, write something on this page forum.deviantart.com/devart/we…
so that you get to know a few people
To help get your work noticed, head over to groups.deviantart.com/
and submit your already uploaded work to a relevant group
If you want to chat to a few people, write to someone here chat.deviantart.com/chat/devar…
in DeviantArt's live chat and someone will no doubt help you out
I hope you will enjoy your stay!