The interviewer is very nice. She introduced herself and then asked one coding question. The question is a variation of the leet code problem, Letter Combinations of a Phone Number.
AI Researcher applicants have rated the interview process at Duolingo 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 47.5% positive. This is according to Glassdoor user ratings.
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