Meta interview notes, page 171 of 238

“Classic single-pass problem.” 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.

“I started with the basic TTL-based eviction and a hash map structure, which felt right, but then they pushed on consistency across distributed nodes and I kind of fumbled.” 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.

“The first thing I tried was plain BFS and the interviewer just kind of waited.” 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.

“This was the core question and it took a while to realize they wanted me to think about ALL the edge cases systematically, not just write a few happy-path tests.” 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.

“The base problem wasn't bad.” 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.

“The exact match part was fine, nothing to it.” 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.

“Wide open question and I spent the first few minutes just trying to scope it down because 'Twitter' is basically everything.” 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 by trying to define what 'community feeling' actually means, which felt smart in the moment but probably ate up too much 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.

“I went straight to engagement metrics like time spent and click-through rate, which in hindsight felt a bit surface-level.” 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.

“The active pixel filter tripped me up a bit.” 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.