self-employed
US /ˌself.ɪmˈplɔɪd/
UK /ˌself.ɪmˈplɔɪd/

1.
working for oneself as a freelancer or the owner of a business rather than for an employer
:
•
She decided to become self-employed after years in corporate.
•
Many artists are self-employed and manage their own careers.