I applied through an employee referral. The process took 3 weeks. I interviewed at TikTok (San Jose, CA) in Sep 2025
Interview
OA -> first technical -> second technical. First technical was leetcode, project discusison, and some conceptual technical questions. Second technical was conceptual technical and system design. Didn't pass the second but there's probably HM round after
Interview questions [1]
Question 1
Implement rate limiter, describe threads vs processes, virtual memory
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.
I applied online. I interviewed at TikTok (Singapore) in Jun 2026
Interview
1 round of tech interview where i was asked basic tech questions and given a leetcode question to solve. total was around 1 hour. interviewer did not seem happy with my answer and time complexity.
