Data Scientist applicants have rated the interview process at ByteDance with 2.9 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 32% positive. To compare, the company-average is 48.7% positive. This is according to Glassdoor user ratings.
Candidates applying for Data Scientist roles take an average of 21 days to get hired, when considering 19 user submitted interviews for this role. To compare, the hiring process at ByteDance overall takes an average of 26 days.
Common stages of the interview process at ByteDance as a Data Scientist according to 19 Glassdoor interviews include:
Phone interview: 22%
One on one interview: 19%
Drug test: 15%
Presentation: 15%
Skills test: 15%
Other: 7%
Background check: 4%
Group panel interview: 4%
Here are the most commonly searched roles for interview reports -
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?
Submitted application through referral link. Received recruiter phone screening within a few days. And then immediately asked for availability to schedule the 1st round technical interview with one of the team members.
Interview questions [1]
Question 1
Walk me through your resume and elaborate on what problems you solved with data and what metrics you used.