I'd say go for a mid-level position. Most mid-level positions are really junior positions anyways given the way most companies define mid/senior positions. When

I'd say go for a mid-level position. Most mid-level positions are really junior positions anyways given the way most companies define mid/senior positions. When interviewing look for feedback practices that can help you learn, like regular code reviews and peering. Every developer is constantly learning and some companies embrace that more than others, if you can find a company that takes it seriously then it shouldn't really matter if it is a junior position or not.