Pinterest interview notes, page 10 of 24

“This is the kind of question that sounds straightforward but you can go a dozen different directions.” 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.

“Straightforward enough but I second-guessed myself on whether to use apply with a lambda or just a boolean mask.” 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 went with backtracking first and got it mostly right, but the pruning is where things get tricky.” 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 took me a while to even orient to.” 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.

“My first instinct was to model it as a graph of who owes whom, which got complicated fast.” 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 blanked for a second and rambled about a hobby that had zero relevance to the role.” 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.

“The sorting part I got fine, but I stumbled on the date comparison piece.” 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 was basically 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.

“Spent way too long on the naive approach, checking each window independently which is obviously O(nk).” 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 wrote the SQL part fine, basic filter on type.” 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.