R&D Data applicants have rated the interview process at ByteDance 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 48.9% positive. This is according to Glassdoor user ratings.
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Interviewer asked about some basic backgrounds like available working time, grade, school, etc. Also asked to solve 3 SQL questions and then share with interviewers. The process was quite nice and fast-paced.