I applied online. I interviewed at TikTok (San Diego, CA) in Nov 2025
Interview
Had two rounds of technical interview. Professional interviewer and in-depth questions. Interviewers were patient and guiding, and the questions were closely related to their app and product. Generally neutral experience.
Interview questions [1]
Question 1
If a certain feature has seen tremendous growth in user engagement, how will you analyze its positive/negative impact on the platform?
30 min virtual one-on-one technical interview with a medium-level SQL question and general data science/ML questions with a member of the hiring team. Did not have a phone interview first
Interview questions [1]
Question 1
How would you determine if a new feature actually improves revenue?
3 rounds of interview with hiring manager, director and human resources. Includes deep dive questions about your resume, SQL coding, follow up case study questions based on your background and a little bit of behavioral questions.
I applied through college or university. I interviewed at TikTok
Interview
OA + Machine learning OA + Technical + Business round
Pretty fast and smooth, questions asked are professional and straight into business. The interview results was also given within 2 days after the final round.
Interview questions [1]
Question 1
How do you do video clustering algorithm (unsupervised learning scenario)