I applied through an employee referral. The process took 1 week. I interviewed at TikTok in Aug 2023
Interview
2 rounds of coding, 1 round of system design and one round of behavioral questions. first two with engineer, last two with hiring manager directly. Fairly chill interview environment. The interviewers were friendly and transparent
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
