[yokisan]

> I don't have the confidence to call myself a developer.

Start building things. Pick some open source projects you like, dig into the code, and try make a better version of them. Also stalk (or if you like, talk to) the creators on Twitter to learn how they think.

Do this consistently and in a few months you'll begin to be embarrassed by how bad and inefficient your previous projects/processes were.

That's when you'll know that you're growing.