Online Assessment: For most roles, the process begins with an online assessment which candidates are expected to take1. Initial Screening: An initial screening is conducted to filter out unqualified candidates. This can be a phone or video interview performed by a recruiter or a member of the hiring team2. Phone Screening with HR: A phone screening with HR is a common step, which helps the company understand the candidate's background and assess their fit for the role1.
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