I applied through an employee referral. The process took 4 weeks. I interviewed at TikTok (Singapore) in May 2025
Interview
I got my interview in May 2025.
The interviewer was quite nice.
I was asked to introduce myself and the project that I worked on.
He asked me additional questions about CS fundamentals.
Lastly, the interviewer give me a hard leetcode question.
I couldn't finish the code but I gave him an overview of my idea/solution (it's correct).
However, I stopped after one round.
I applied online. The process took 4 weeks. I interviewed at TikTok (San Jose, CA)
Interview
First interview round scheduled after passing the OA. It was a DP problem that required traveling to the bottom right of a mxn grid. I explored options such as BFS and DFS before landing on the optimal solution of DP;
Interview questions [1]
Question 1
They asked a follow up for if your path had to cross through a certain point on this grid.
resume deep dive and 1 leetcode medium, asked about caching basics and cpu scheduling algorithms, along with past work experience. 15 mins of resume discussion followed by 30 mins of leetcode
The interviewer does not look very lively. I interviewed for the Recommendation System Infra team. They very heavy on Leetcode and C++, no behavioural question. I stumbled on it and did not pass.