TikTok Ads Data Scientist Interview Experience — Four Rounds, Then Downgraded to a DA Offer

TikTok·Data Scientist·Oct 2025
OnsiteOfferhard

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Published

Curated and edited by PracHub

Practice the questions from this interview

Compute CTR drop with exclusions
Diagnose metric drop in Ads Manager
Measure Ads Manager effectiveness end-to-end
Test 15s to 60s video length change
Act when A/B result is not significant
Design incrementality test for TikTok ads

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