I applied online. I interviewed at TikTok (New Brunswick, NJ) in Dec 2020
Interview
OA with 4 problems in 120 minutes, Q2, Q3, Q4 is quite challenging.
3 rounds VO, most of the questions are code questions, the interviewers are professional, but one of my interviews was delayed and I got notified only 20 minutes before it was supposed to start.
Interview questions [1]
Question 1
Simply describe the difference between bais and variances.
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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