In my situation, it was a greenfield new-project which kind of started off as a "moonshot" and became a real thing, so mistakes and extra development time were

In my situation, it was a greenfield new-project which kind of started off as a "moonshot" and became a real thing, so mistakes and extra development time were much more tolerated (not to mention my employer is pretty awesome!). It's not ideal, and I'm actually happy to be moving out of that (with what used to be my "one man army" project actually getting a team and managing it). But holy hell did it teach me a lot!