There were two rounds. The first round was a technical interview that was LeetCode easy/medium, and the second round was behavioral with the hiring manager.
I would say the company itself isn't very organized. Both times I got an interview invitation, the recruiter emailed me asking to change the time.
The following metrics were computed from 199 interview experiences for the TikTok Software Engineer (Internship) role.
TikTok's interview process for their Software Engineer (Internship) roles is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for TikTok's Software Engineer (Internship) interview process.