Pinterest·Data Scientist

Pinterest Data Scientist interview experience

Posted Oct 2021 · Candidate report, summarized by Dataford

I interviewed for Pinterest as a data scientist through a headhunter, and the process marked my tech phone screen as a pass.

That first technical round focused heavily on ads-domain SQL.

I used tables like pin_impressions, promoted_pins, and user_dimension, including fields such as country, gender, and a spam indicator. The follow-up asked for countries where ad load was higher today than yesterday, which required me to think in terms of time comparisons rather than just pulling a static slice.

I found it challenging in a very domain-specific way: the SQL wasn’t just about writing joins, it was about translating ad-ecosystem logic into the right query. Overall, the experience felt like a targeted test of applied

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