I've been a professional C, Perl, PHP and Python developer.
I'm an ex-sysadmin from the late 20th century.
These days I do more Javascript and CSS and whatnot, and promote UX and accessibility.
I'm a professional PHP, Python and Javascript developer from the UK. I've worked with Django, Laravel, and React, among others. I also maintain a legacy Zend 1 application.
I've also yet to do anything in vim where I thought, "I wish this terminal I'm using was inside my text editor"
I'm told the typical use case is a REPL, which makes sense to me, but haven't had the occasion to try it