1. Initial screen in Codility, this was a little strange as it asked questions that you'd do in a notebook (e.g. make a plot of this) in a scripting environment. 2. Recruiter call that covered basic questions on my resume. 3. Automatic rejection email It seems my rejection was based on the background described in my resume, so unfortunate to spend time on 2 rounds when that could have been known from the beginning.

Coding assessment through Codility. They give you 50 minutes to write a linear regression model predicting housing prices (toy example) from scratch (no sklearn). Unless you have recently memorized the formulas or are in school currently working with them, this assignment was ridiculous.