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.