Medical Scientist applicants have rated the interview process at Pfizer with 2 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 66.9% positive. This is according to Glassdoor user ratings.
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Phone call for setting up the interview. Only first round with 2 members (managers, mentor). It was not very difficult. They were gentle. Also feedback was so fast. However, two weeks were taken for final offer.