I applied through a recruiter. The process took 3 weeks. I interviewed at TikTok
Interview
breif intro on past experince and coding question online via zoom, end with follow up questions and asked questions for interviewer the coding question has 2 parts the problem and a follow up this is the 1/3 part of the vo
Interview questions [1]
Question 1
1. valid parenthesis 2. given invalid parenthesis print out all possible combination of valid parenthesis by removing invalid parts
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
