Applied and heard back within two weeks, got an invite to a technical round on HackerRank that was a couple hours long. It was pretty difficult, had 5 questions total; they give you a practice round.
Interview questions [1]
Question 1
One leetcode medium, two leetcode hard, two mc questions on basic algorithm and scheduling knowledge
I applied online. I interviewed at TikTok (Sydney) in Sep 2025
Interview
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.
Really poor organisation from the HR team, with the main online interview being performed in their car with no camera. Maybe this was an outlier from others but still hurt my experience
I applied online. I interviewed at TikTok (Sydney)
Interview
A technical interview with a medium level Leetcode question regarding string manipulation. The interviewer is from the Singapore office. It first started by asking about experience in great detail. The interview lasts for 1 hour exactly.
