Meta·Machine Learning Engineer·Onsite - System Design / Architecture
Apr 2026
Meta ML engineer interview, system design round focused on building a personalized news ranking system. Pretty open-ended, which I wasn't fully prepared for.
- Design a personalized news ranking system.
“I jumped straight into the ML model before nailing down the problem scope, which I think hurt me.” The rest of the author's notes on Machine Learning Engineer interview at Meta, Onsite - System Design / Architecture round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.
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