TikTok Data Scientist Interview
Questions & Process
What 189 candidates said about the rounds, the
questions and how long the wait really is.
From 189 candidate reports · FREE TO READ
Questions candidates reported
Quoted word for word from TikTok interview reports.
Engineering accounts for 10,860 of 189 reports, so company-wide questions may lean toward that function. Pick your role above for questions from your own loop.
“Explain Random Forest.”
Read reports →“Why TikTok”
Read reports →“Explain XGBoost.”
Read reports →“Explain hypothesis testing.”
Read reports →“How would you handle an imbalanced dataset when developing a machine learning classification model?”
Read report →“How would you design an A/B testing experiment?”
Read report →“How would you design an A/B test?”
Read report →“Can you describe your experience with SQL?”
Read report →“Tell me about your project”
Read report →Formats, difficulty and experience
Across all 189 TikTok interview reports.
Question formats
Interview difficulty
Candidate experience
Reports by job function
The interview process
Described in candidates’ own words.
“So, the first interview was an online coding exam, and I had to have my camera on the whole time. I completed it, but I haven't heard anything back or gotten any feedback from the recruiter. I'm just assuming they've decided not to move forward with me.”Candidate-reported process
“The interview process was quick and explained clearly. There were 4 rounds in total, starting with a phone call, followed by video interviews. Two of these were technical interviews, and one was a behavioral interview where I met the team.”Candidate-reported process
“You will start with a take-home assessment, and then the first round will involve an introduction about yourself. Following that, there's a resume deep dive and a discussion about your projects, concluding with a case study. The interviewers are very nice and will provide time for your questions.”Candidate-reported processMore reports lockedRead 300+ more interview experiences
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