Online assessment with 5 multiple choice questions and 2 Leetcode style questions. The multiple choice questions focused on general coding knowledge, analyzing written code, and data structures and algorithms knowledge. The Leetcode style algorithm questions were both Leetcode hards.

Went through two out of three interviews with TikTok, in both they asked basic concurrency, networking and language specific questions as I was going for a C++ role. They also asked Leetcode Medium questions in both interviews.