Pinterest interview notes, page 21 of 24

“I rambled a bit here.” The rest of the author's notes on Software Engineer interview at Pinterest, Hiring Manager Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I knew the term but fumbled explaining it clearly under pressure.” 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 one took me a minute to even parse.” 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 started with token bucket because it felt natural for burst handling, but the interviewer kept pushing on accuracy under load and I realized I hadn't thought carefully about what happens when you have all three limit types active at once.” 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 the answer lived somewhere in the geometry of the penalty terms but I started rambling about sparsity before actually explaining the 'why'.” 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.

“The greedy part clicked pretty fast for me.” 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 jumped straight to 'more users means more emails sent, so the denominator grew faster than the opens' and the interviewer just kind of waited.” 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.

“I knew the basics but fumbled a bit explaining why it actually matters for training.” 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 picked a project I knew well but rambled about the data cleaning part way too long.” The rest of the author's notes on Software Engineer interview at Pinterest, Hiring Manager Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Started with a min-heap of size K which felt right, and they seemed fine with that.” 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.