Coinbase interview notes, page 10 of 21

“This looked like a clean textbook question at first and I thought I had it.” The rest of the author's notes on Data Scientist interview at Coinbase, 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 straight to useState for everything and got maybe halfway through before they started nudging me toward thinking about how the state would scale.” The rest of the author's notes on Software Engineer interview at Coinbase, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I knew k-means conceptually but writing it out cleanly under pressure is a different thing.” The rest of the author's notes on Machine Learning Engineer interview at Coinbase, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The core trick is that users appear lazily so you can't preallocate anything.” The rest of the author's notes on Software Engineer interview at Coinbase, 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 down the consumer Airbnb path out of habit and had to course-correct maybe two minutes in.” The rest of the author's notes on Product Manager interview at Coinbase, 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 spent the first minute just staring at the prompt mentally.” The rest of the author's notes on Product Manager interview at Coinbase, Onsite - Product Sense / Strategy round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The core part was fine, nothing that should trip you up if you've done any OOP design before.” The rest of the author's notes on Software Engineer interview at Coinbase, Onsite - Coding / Algorithms round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Couldn't find a clear answer anywhere before submitting.” The rest of the author's notes on Software Engineer interview at Coinbase, Online Assessment (OA) round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I went straight to liquidity and spread mechanics, which felt right, but I think I underweighted the incentive design side.” The rest of the author's notes on Software Engineer interview at Coinbase, Onsite - Product Sense / Strategy round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The core logic is simple enough but I almost fumbled the boundary handling.” The rest of the author's notes on Machine Learning Engineer interview at Coinbase, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.