He shrugs, and then adjusts how he's sitting so that he can rub the shoulder he was flexing a moment ago. "Both. I don't see why I shouldn't be paid well for what I enjoy. And what I'm good at."

Severus manages not to add that there isn't much competition for work at his level - not because it would be a lie, as it wouldn't, but because Antonin is not actually someone who needs to be pettily reminded that Severus is as talented as he is. It's taken him a while to break the habit of being so defensive about it - being interred at Hogwarts has that effect.

"Besides, I can do whatever the hell I want here."

A quieter remark. That freedom is worth something unrelated to payment.