I'm not sure about the whole interview process, as I've never had a conversation with HR explaining it.
I applied via Indeed and was contacted by HR via email. She immediately scheduled a phone screen interview for 7 PM PST due to the time difference.
The coding interview was fine; the interviewer had a heavy accent. The design interview was unprofessional. No coding or writing tools were used, and I was expected to explain my design verbally.
Coding interview: LeetCode 549, 556.
Design interview: Design TikTok notification with 10K-30K QPS.
The following metrics were computed from 24 interview experiences for the TikTok Senior Software Engineer role in United States.
TikTok's interview process for their Senior Software Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very negative feelings for TikTok's Senior Software Engineer interview process in United States.