Meta interview notes, page 29 of 238

“Pretty standard aggregation warmup.” The rest of the author's notes on Software Engineer interview at Meta, 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 not a behavioral question, it's a case study pretending to be one.” The rest of the author's notes on Data Scientist interview at Meta, Onsite - Behavioral / Leadership round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I knew I needed a join and a group by date, but I fumbled the aggregation syntax for a minute.” The rest of the author's notes on Data Scientist interview at Meta, 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 talk for 45 minutes and still feel like you barely scratched the surface.” The rest of the author's notes on Software Engineer interview at Meta, 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 started with obvious stuff like request volume per hour and acceptance rate, but the follow-up pushed me to go deeper.” The rest of the author's notes on Data Scientist interview at Meta, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Stack-based approach, track indices of unmatched parens and remove them at the end.” The rest of the author's notes on Software Engineer interview at Meta, Onsite - Coding / Algorithms round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I started with the upload path and worked forward, which felt natural but I think I spent too long on chunked/resumable uploads before getting to the more interesting stuff.” The rest of the author's notes on Software Engineer interview at Meta, 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 spent the first minute trying to figure out why Facebook specifically would care about layovers, which probably wasn't the best use of time.” The rest of the author's notes on Product Manager interview at Meta, 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 one sprawls in every direction.” The rest of the author's notes on Software Engineer interview at Meta, 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 got the basic idea pretty fast, treat each door as a directed edge rather than a bidirectional one.” The rest of the author's notes on Software Engineer interview at Meta, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.