ByteDance Research Scientist interview questions

there are overall 7-round interview - first three round technical interview - one round hr - another 3X technical interview mainly introducing my own papers and brainstorming about research ideas, several leetcode-style coding problems but not very hard.

Rounds of 1-in-1 video 1 hour long interviews. Not sure how many rounds in total, I survived 3 rounds. Mainly talk about my research experience and do some code test. (This is a position of AI for Science)