Meta Research Scientist I interview questions

Two coding screens followed by virtual onsite. Onsite consisted of two coding interviews, one ML design, one research/behavioral. Coding interviews conducted by SWEs; questions are all on LeetCode. ML design was to design a recommendation system.

The full loop interview includes 4 rounds. There are two 45 mins coding interview, you need to finish 2 questions in each interview. There is 1 round machine learning system design interview, the question is related to recommendation system. There is 1 round behavior question interview.