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
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.
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.