I applied online. I interviewed at TikTok in Dec 2023
Interview
I received an OA after I applied, 2-3 median to hard questions and they were really hard. I was able to finish half of a question but it's like a 3D matrix if I remember correctly.
Other Software Engineer - Intern Interview Reviews for TikTok
Used their internal software for a CS theory and Online assessment portion.
Was tested on HTTP Connect, CI/CD, CSRF, TCP. Online assessment was a leetcode style question on Unique Binary Search Tree II
3 round tech interview and 1 hr interview, tech interview involves writing 2 sql and 2 leetcode and bq questions and backend questions, each with 1h and the hr interview takes 30 minutes
Started with a self-introduction, asked about one, Leetcode problem 322. Coin Change, and one of my experiences on the resume as well. The interviewee can ask questions to the interviewer at the end of the interview.