I applied through a recruiter. I interviewed at TikTok
Interview
Around early Feb, I received interview invitation. The position is machine learning engineer. Here is my timeline.
Feb 12 1st tech round
Feb 18 2nd tech round
Feb 26 HM round
Feb 27 got rejection
Interview questions [1]
Question 1
Given N i.i.d. Gaussian random variables, what is the distribution of their linear combination?
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.