TikTok Software Engineer interview questions

Applied cold and received invitation for online assessment days later. Online assessment was a Codesignal GCA, passed 600/600 but rejected a week later. The online assessment seemed automatic, so it was probably just a screen.

complicated, lots of mandarin, interviewed with lots of long sections between interviews. 3 technical interviews, into one behavioral interview with hiring manager, asking questions about networking then leetcode stylee questions like lru cache