I applied online. The process took 4 weeks. I interviewed at TikTok (Los Angeles, CA) in Jul 2022
Interview
first round is phone screen, it is about the previous projects, like technical details, how you implement the features, and in the end, finished a leetcode question, which is leetcode 4, find out the median in two sorted array.
After that, there are 4round VO
Interview questions [1]
Question 1
leetcode4: find out the median in two sorted array
I applied through other source. I interviewed at TikTok (San Jose, CA) in Dec 2025
Interview
Pre order traversal of tree, need to construct tree from list, no template given, got asked about my resume a lot, dive deep, asked about internship experience and research experience, relevant questions towards research
about my resume, bq questions, some fundamental questions, then a lc,
finally the qa part, but it does not go smoothly. I feel the interviewer did not want to talk to me much
OA, followed by 3 rounds of onsite interview, all three rounds are coding round, 2 medium and 1 hard leetcode level coding, and one of the round asked some full stack related questions
Interview questions [1]
Question 1
hard leetcode level question, and project deep dive