Research Scientist applicants have rated the interview process at PayPal 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 50.9% positive. This is according to Glassdoor user ratings.
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It was very professional and smooth, I talked about my research, then they asked some questions about the company research questions and ask me how I can solve it. It also had some code and ML general questions.
Interview questions [1]
Question 1
Q: what do you know about active learning? Q : how we can estimate models' uncertainty