I applied through a recruiter. I interviewed at TikTok (San Jose, CA) in Jan 2026
Interview
Two rounds. Each round includes a resume check, a knowledge check and coding. The typical question is like "Tell me about transformer architecture in details" or "How to choose the loss function? cross entropy or MSE?
Interview questions [1]
Question 1
ML system Design. ML knowledge. Coding (LC25 hard)
The interview process consisted of multiple rounds including an online assessment, technical phone screens, and virtual onsite interviews. The questions focused on machine learning fundamentals, coding challenges, and system design. The recruiters were responsive and kept me updated throughout the entire process.
Asked heavily about my resume, mainly focused on the projects I did that had overlapped areas with the team. Did an easy coding question on calculating a ML metric and asked about how to optimize the solution.
Interview questions [1]
Question 1
What was a metric I used in my recommender system project.
I applied online. I interviewed at TikTok (Singapore) in Feb 2026
Interview
The structure for both rounds is as follows:
20 mins deep dive into resume, explanation of personal projects & past experience, 20 mins testing about AIML concepts, 20 mins for leetcode medium
Interview questions [1]
Question 1
Explain what would happen if bias was removed from the equation during backpropogation
