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[AMA]After collecting interview reports from Pinterest, I gathered the pattern of Pinterest interview coding question
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[AMA]After collecting interview reports from Pinterest, I gathered the pattern of Pinterest interview coding question
Question Details
I’ve been collecting real interview reports from Pinterest (mostly virtual onsites and screening rounds), and I started noticing a clear pattern in the types of questions they ask, also, put some representative questions a list. Unlike many companies that reuse standard LeetCode-style problems, Pinterest focuses heavily on practical, system-based scenarios, often inspired by their own architecture—especially their Pin board system. Here are some patterns I observed: Graph and Tree problems are common, but they’re rarely textbook questions. Many questions involve simulating real-world behaviors, like user interactions with boards, pin relationships, or cascading updates. Expect custom data structures, light system design logic, tweaked follow-ups and realistic constraints instead of brute-force puzzles. These questions often feel more like “mini system simulations” than algorithm drills. They still test core skills, but in a way that feels closer to product modeling than CS theory.