the first interview is a coding questions which could be labeled as difficult in leetcode. It is kind of like a variation of lowest-common-ancestor-of-a-binary-search-tree question. The interviewer only asked a little bit of my experience based on my resume other than that.
Interview questions [1]
Question 1
the first interview is a coding questions which could be labeled as difficult in leetcode. It is kind of like a variation of lowest-common-ancestor-of-a-binary-search-tree question.
three rounds, each has coding + ml basic + resume related questions
understand all the details in resume is important, since might go very deep down the project you have worked on
The first round was mainly a CV walkthrough.
The second round focused in depth on one specific project.
Both rounds also included LeetCode medium-level problems.
The third round was with the hiring manager with both project and problems for their business.
I applied through a recruiter. The process took 1 week. I interviewed at TikTok (San Jose, CA) in Mar 2026
Interview
one hour first round tiktok usds phone screen interview. past projects questions, leetcode mid questions, and machine learning, deep learning, large language model questions. And then ask the interviewer questions.
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