Pinterest Machine Learning Engineer interview experience

The assessment was packed with basic machine learning questions, but the timing pressure was real since there was limited time to work through everything.

For the onsite, the structure split evenly between two technical tracks: two rounds that were more technical in nature, and two rounds focused on machine learning system design. I came into it with a decent sense of what the topics would be—ML fundamentals up front, then system-level ML thinking afterward—and overall the difficulty felt manageable.

Even though the process was fairly structured and the rounds were clear in purpose, I