Perplexity Interview Questions
Practice the exact questions companies are asking right now.
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3 Questions 1 Company
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Perplexity
Medium
Machine Learning Engineer LockedTrain and improve a scikit-learn binary classifier
Practical ML fundamentals (Python + scikit-learn) You are given a small toy binary-classification dataset (e.g., arrays/dataframes X_train, y_train, X...
Machine Learning
0
0
Dec 15, 2025
Perplexity
Medium
Software Engineer LockedDesign trending queries ranking system
You are designing a system to power the Top Trending Queries section on the home page of an AI search/Q&A platform (similar to Perplexity). The produc...
ML System Design
0
0
Sep 4, 2025
Perplexity
Medium
Software Engineer LockedDesign personalized discovery recommendations
You are designing a personalized "Discovery" page for an AI-powered search/Q&A platform (similar to Perplexity). The Discovery page should show each u...
ML System Design
0
0
Sep 4, 2025