You are given a hackerrank for the entire hiring season. You then will be emailed by a recruiter who will set up a first round technical interview with a Tiktok engineer working in the specific team you applied for. They will ask a leetcode question, which you will complete through hackerrank link, which is most likely exactly like the ones that are commonly seen on the leetcode website tagged for tiktok. They will also ask you specific syntax questions regarding the languages and skills listed in the job description for the specific role you applied for.