TikTok OA Report | Research Assistant Internship | Dec 2025
Summary
I recently took the TikTok OA for a Research Scientist internship. It was proctored on CodeSignal, consisting of 4 problems with 70 minutes time limit.
How Tiktok runs its interviews, round by round, from the candidates who went through them.
Worked out from the 5 Tiktok write-ups on this site.
I recently took the TikTok OA for a Research Scientist internship. It was proctored on CodeSignal, consisting of 4 problems with 70 minutes time limit.
Had a third TikTok interview experience with a mix of technical and system design questions, leading to a solid performance in follow-up discussions.
I had my Round 2 virtual onsite interview for a New Grad SDE position at TikTok, which primarily focused on behavioral questions related to my resume and a dynamic programming coding challenge. This round concluded positively for me, advancing my candidacy.
I recently interviewed for a Mid-level (2-1) position at TikTok/Bytedance. The process included two LeetCode problems, a system design round, and a behavioral interview, ultimately leading to an offer.
I recently completed a TikTok SDE interview where I was asked two coding questions: one on calculating the dot product of two sparse vectors and another on finding the first 'b' in a 'g'-followed-by-'b' string using binary search.
Write up your rounds while you still remember the questions. It is exactly what the next Tiktok candidate is searching for.