Online Assessment

70-Minute CodeSignal OA with Hand-Written Bagging and Naive Bayes

PinterestMachine Learning Engineer · Intern · Online Assessment · Feb 2026

Based in Toronto. Looks like several teams were hiring at the same time, mostly on the search/ads/recommendations side. HR reached out on LinkedIn, and after I submitted my resume and cover letter they sent me an OA. 70 minutes, 10 questions, done on CodeSignal — 6 multiple choice, 1 coding question, and 2 ML engineering questions. The multiple choice questions were mostly ML fundamentals: the de…

Shared by a candidate · reported Feb 2026. Interview formats change; use it as a guide, not a script.