Pinterest interview notes, page 20 of 24

“Classic cartesian product problem.” The rest of the author's notes on Software Engineer interview at Pinterest, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I started by separating engagement goals from monetization goals because those pull the framework in totally different directions.” The rest of the author's notes on Data Scientist interview at Pinterest, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This is the kind of problem where you either know the monotonic stack trick or you're cooked.” The rest of the author's notes on Machine Learning Engineer interview at Pinterest, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I spent too long on the feature brainstorm and not enough time defining who the actual user was.” The rest of the author's notes on Product Manager interview at Pinterest, Onsite - Product Sense / Strategy round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Part (a) felt manageable.” The rest of the author's notes on Software Engineer interview at Pinterest, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The arithmetic is kept simple on purpose, which almost made me second-guess myself.” The rest of the author's notes on Machine Learning Engineer interview at Pinterest, Online Assessment (OA) round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The tie-breaking rule tripped me up a bit.” The rest of the author's notes on Data Analyst interview at Pinterest, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This one sprawls fast if you let it.” The rest of the author's notes on Machine Learning Engineer interview at Pinterest, Onsite - System Design / Architecture round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The deduplication part was fine but I initially used a global set across all users which tanked my space complexity.” The rest of the author's notes on Data Scientist interview at Pinterest, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This is the part I felt most prepared for and still got tripped up.” The rest of the author's notes on Data Scientist interview at Pinterest, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.