Pinterest Senior+ Machine Learning Engineer Interview Experience — Two ML Design Rounds, Two Buggy Codings, and a Gut Feeling of Rejection

Pinterest·Machine Learning Engineer·Jan 2026
OnsiteSenior+hard

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Published

Curated and edited by PracHub

Practice the questions from this interview

Design an unsafe content detection system
Design a real-time home feed ranker
Implement trie-based autocomplete
Support room moves and query top-k fastest

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