two phone calls: first call introduction second call "technical" interview The second phone call that was supposed to be the technical interview was not designed to screen any data science knowledge. It was only designed to screen some trivial coding questions. No statistics, no mathematics no machine learning questions were asked. This was not an intelligently designed interview to do screening for "Senior data scientist". It was rather a naively designed process with poor targets. Overall it was a good experience.

Mine started with resume screening, then recruiter call, followed by technical screening. After that was the interviews suite, that was separated to 4 interviews total. After that I would have talk with the hiring manger