Data Science Intern applicants have rated the interview process at TikTok with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 35.1% positive. This is according to Glassdoor user ratings.
Candidates applying for Data Science Intern roles take an average of 7 days to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at TikTok overall takes an average of 27 days.
Common stages of the interview process at TikTok as a Data Science Intern according to 1 Glassdoor interviews include:
Phone interview: 33%
Personality test: 33%
Other: 33%
Here are the most commonly searched roles for interview reports -
30 min virtual one-on-one technical interview with a medium-level SQL question and general data science/ML questions with a member of the hiring team. Did not have a phone interview first
Interview questions [1]
Question 1
How would you determine if a new feature actually improves revenue?
3 rounds of interview with hiring manager, director and human resources. Includes deep dive questions about your resume, SQL coding, follow up case study questions based on your background and a little bit of behavioral questions.
I applied through an employee referral. I interviewed at TikTok (San Jose, CA) in Apr 2025
Interview
Interviewed for 2025 summer.
2 rounds + HR + additional 4th round, failed in the last round. First round: talk about a data project + follow-up questions about model choices, one easy SQL, one product question. The second and fourth rounds were all product-based, asked about how to construct an A/B test and what metrics to use.