Using single Apple ID with multiple Apple Developer Program memberships
A single Apple ID can be a part of more than one, different development teams.

You are enrolled in the Enterprise account as a Developer. You can easily use your Apple ID to enroll into Apple Developer Program as an individual.

Once your membership request is approved, you'll be the Agent in your personal team and Developer in the company's Enterprise team. When using your Apple ID to log into Apple Developer website or into Xcode, you'll be given the option to select the team of your choosing.