Applied online. Was contacted by Greg Druck, Chief Data Scientist, to set up a time for an interview by phone. I was asked to step through projects I had worked on at my current job, it was a pretty good conversation; Greg seemed interested, asked good questions and is kind. I assumed there would be some online coding technical screen since Greg said to make sure to be near a computer for our interview. There was, kind of. It was a Google doc, but the questions were in regards to retention metrics. Honestly this totally threw me off,of all the things I have been asked during an interview this was a first. I have never dealt with retention and have never looked into it (and to be completely honest, have no interest in it). Of course it could be argued that retention is really just a stand in for any type of metric and Greg was simply looking to see how one thinks. I really don't know. However given the emphasis put on machine learning in the job description, I was expecting something related to that. I guess it just was not meant to be, and that happens. Data science interviews are tough since it seems you could be asked almost anything.