I applied through an employee referral. The process took 2 weeks. I interviewed at TikTok (San Jose, CA) in Sep 2025
Interview
Interviewed for a New Grad AI/ML back-end position. First round was standard CodeSignal. Second round was a 1-hour technical interview.
Despite the recruiter telling me to expect LC Med/Hard and ML theory questions, I was asked computer architecture questions. The rest of the interview was an LC Hard.
Interview questions [1]
Question 1
Explain how CPU scheduling and virtual memory work.
I applied through a recruiter. I interviewed at TikTok
Interview
- recruiter asked me to speak in Chinese for latter half of screen
- 1st round was algo interview
- 2nd round was algo and system design
- didn't move forward after second round
Interview questions [1]
Question 1
- 1st round was simple 1D dp problem
- 2nd round was graph problem (Djikstra's) and ML system design
2 rounds coding a lot of background questions very strange behavior from interviewer camera was off and asked questions in mandarin, leetcode medium-hard and very very slow communication from recruiters based in asia for an english role
OA - 1 arrays Medium, 1 Trie Hard. I had 45 minutes to complete that. I was able to do the medium in about 15-20 minutes but I am not that great with trie ds so I was not able to finish.