Staff Scientist applicants have rated the interview process at Gartner with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 51.5% positive. This is according to Glassdoor user ratings.
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I applied through college or university. I interviewed at Gartner (Stamford, CT) in Mar 2017
Interview
Meet with 6 different people. Some of them are data scientists and the others are managers. (I think there are 2 data scientists). People are very nice, and it is pleasure to talk with them.
No time for lunch, though. I had to eat it during the interview.
Interview questions [1]
Question 1
They described one task that they are working on, and asked what my solution is.