Me too. In particular, I look at how they handle pull requests. If it's full of derogatory comments or other asshole-isms, probably not going to be a fun pers

Me too. In particular, I look at how they handle pull requests. If it's full of derogatory comments or other asshole-isms, probably not going to be a fun person to have on the team. If they handle the occasional annoyance with a modicum of professionalism, it's usually a good sign.