PayPal interview notes, page 2 of 10

“I jumped straight to trust and security concerns, which felt obvious in retrospect.” The rest of the author's notes on Software Engineer interview at PayPal, 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 one I over-prepared for and somehow still fumbled the impact part.” The rest of the author's notes on Data Scientist interview at PayPal, Onsite - Behavioral / Leadership round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I started with the basics fine: write-through flushes to storage on every write so you never lose data but you pay the latency cost every time, write-back only writes to the backing store when the cache line is evicted so it's faster but you're sitting on dirty data that disappears if power goes out.” The rest of the author's notes on Software Engineer interview at PayPal, 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 gave a technically correct answer but immediately second-guessed my wording mid-sentence.” The rest of the author's notes on Data Scientist interview at PayPal, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I rambled a bit trying to cover too many projects at once.” The rest of the author's notes on Software Engineer interview at PayPal, Recruiter / HR Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Spent the first minute just asking clarifying questions, which I think saved me.” The rest of the author's notes on Data Scientist interview at PayPal, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Seemed like a warmup but they wanted crisp definitions, not a brain dump.” The rest of the author's notes on Data Scientist interview at PayPal, 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 one I fumbled a bit.” The rest of the author's notes on Data Scientist interview at PayPal, Onsite - Behavioral / Leadership round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I started with the obvious stuff like DAU and login frequency but then kind of stumbled when they pushed on leading vs lagging indicators.” The rest of the author's notes on Data Scientist interview at PayPal, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.