The process took about a month or a month & a half. It had the screening session, a background & cultural meeting, two technicals, a defence on the second technical and a cultural with the hiring manager. The first technical interview was on python, SQL and R. They used a coding service where they asked simple questions, like: computing a standard deviation, making a simple query, and counting elements of a matrix; in that languages respectively . For the background and cultural, they asked to send answers recorded for 10 questions or so exploring basic DS concepts, explaining previous projects, behavioral questions, and so on. The second technical was about solving a case study where you would have like 3 days to work on. You would have to submit a presentation and discuss it in front of a 3 people panel.