Recruiter reach out, then phone screen with a interviewer from west coast. Leetcode type question, but a hard one. You need to give out the optimun solution instead of a working one. Notice, the interviewer only told me the quesiton orally, without an question description and any test cases.
Interview questions [1]
Question 1
leetcode question, Word ladder. Can't remember which one, but go for the hard tag.
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
