Pinterest interview notes, page 9 of 24

“I knew dictionary-of-keys was a thing but blanked on the name mid-interview and ended up describing it by hand, which was fine but felt sloppy.” 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 question is deceptively wide.” The rest of the author's notes on Software 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.

“I knew it was a graph problem right away and jumped to DFS, which was the right instinct.” 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.

“This is the kind of question that looks straightforward until you're actually doing it live and second-guessing whether precision is TP/(TP+FP) or the other way around.” 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.

“This was the core prompt and it ate the whole interview.” 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.

“I knew the answer directionally but fumbled explaining the 'why' clearly.” 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.

“This is the kind of question where you can go a hundred directions and that's kind of the problem.” 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.

“This is a lot to cover in one question.” The rest of the author's notes on Software Engineer 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.

“I went straight to prefix-sum plus binary search, which is fine, but then they pushed on what happens when weights are huge numbers and I kind of fumbled.” 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.

“I had a story ready but it was too focused on what I did rather than how I actually moved people.” The rest of the author's notes on Product Manager interview at Pinterest, Onsite - Behavioral / Leadership round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.