I applied online. I interviewed at ByteDance in Oct 2020
Interview
HR POC often gives no response to my questions. The interviewer appears to be much junior than me and very unprofessional. The interviewer who interviewed me knows little about the subject. In the end, you do not even know who is HM and what he/she exactly wants.
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Other Data Scientist Interview Reviews for ByteDance
Total 3 rounds interview, the first two is for techinical, the third on is for HR; consider about your projects, experience and some behaviour questions, not much stats questions or coding questions
Interview questions [1]
Question 1
To tell one of the most attractive experience on your resume
I applied online. I interviewed at ByteDance (Shanghai, Shanghai) in Dec 2025
Interview
First round technical interview with a senior member from the team, 45 mins equally divided into resume questions, 1 sql problem involving window function and ctes, and discussion around statistical concepts/scenarios.
HR reach out to me invite me to take a Data Scientist interview, and scheduel an interview for me. I only took one interview asking about project-related questions，and some questions about statistics, experimentation, and modeling，and one open-ended question.
Interview questions [1]
Question 1
How to estimate TikTok's daily advertising revenue without access to internal data?
