Not, OP, but I've worked for an ad-agency in a software-dev role. Their primary code base is written in Java, monitoring scripts in Python/Ruby, and tracking p

Not, OP, but I've worked for an ad-agency in a software-dev role. Their primary code base is written in Java, monitoring scripts in Python/Ruby, and tracking pixel code in JavaScript, so I would have days in which I coded in all 3, albeit for separate use-cases.