TikTok Developer interview questions

HR screening and call, followed by 3 rounds, which are usually deep dive into past projects/work and Leetcode questions, although there may be system design as well. There is then one last behavioral screening round. Some interviewers are friendly, others are just rude. Most of them prefer to interview in Mandarin, which makes explaining difficult if you are not proficient at the language, or be stuck in communicating with broken English.