TikTok Data Science Intern interview questions

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.

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.