Normally, there would be three or four technical interviews, depending on the level you are applying for, plus one HR interview. It took me about one month to finish the whole process.
1 coding problem each round (mid-level).
System design in the last round.
The following metrics were computed from 8 interview experiences for the ByteDance Software Engineer role in Hong Kong.
ByteDance's interview process for their Software Engineer roles in Hong Kong is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for ByteDance's Software Engineer interview process in Hong Kong.