Pinterest·Data Scientist

Pinterest Data Scientist interview experience

No offer

Hard

Negative

Toronto, ONPosted Apr 2025 · Candidate report, summarized by Dataford

My Pinterest process included an online assessment with three sections, and I found it stressful mainly because it packed so many questions into a short window.

The first part was multiple-choice focused on basic machine learning knowledge, and the questions felt reminiscent of AWS certification-style wording. The middle section was coding and asked me to implement machine learning algorithms like KNN and K-means. They provided built-in functions and I had to fit my solution into their expected structure.

The final section was a LeetCode-style problem, which I found required a lot more focus than I had expected given how fast the assessment moved. The hardest part for me was the algorithmic thinking in the coding section—it took longer than I

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