I applied online. The process took 2 weeks. I interviewed at TikTok (New York, NY) in Aug 2025
Interview
60 minutes first-round interview
1. Resume deep dive 15 minutes
2. LC-style coding 20 minutes
3. ML concepts 20 minutes
4. Q&A
The interviewer was nice, giving a few hints when I was stuck on the coding question. I managed to advance to the second round by failed in the end
Interview questions [1]
Question 1
1. Past projects, most proud work
2. Medium question with sliding window solution
3. attention time complexity
I applied through an employee referral. I interviewed at TikTok (Singapur)
Interview
3 rounds technical interview, each 1 hour long
1st - Direct mentor (interview in chinese)
2nd - Direct team lead (interview in chinese)
3rd - Direct hiring manager (interview in english, based overseas)
It began with self-introduction and past projects. Then the interviewer asked a few questions about the project. Then ML coding test. For me it was CLIP at first. I wasn't able to do this, so the interviewer changed it to a naive CNN.
I applied online. I interviewed at TikTok (San Jose, CA) in Jan 2026
Interview
3 sum + ml skill and basic knowleage like ROC. Resume diving, looking for your understanding of the skills used before. interviewer is kind, 30 mintiues coding and 30 minutes about others