Snap interview notes, page 19 of 22

“Went straight for a CTE to isolate first-visit users, then joined back on the same table filtering for events within 7 days.” The rest of the author's notes on Data Scientist interview at Snap, 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 that sounds easy until you're actually in it.” The rest of the author's notes on Machine Learning Engineer interview at Snap, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I got the happy path pretty fast, two pointers walking both lists simultaneously, swap and advance.” The rest of the author's notes on Software Engineer interview at Snap, 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 LC 39 well enough but the reversed traversal direction threw me off more than it should have.” The rest of the author's notes on Software Engineer interview at Snap, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Makes sense they'd ask this at Snap given the competitive angle, but I wasn't ready for it to be that blunt.” The rest of the author's notes on Product Manager interview at Snap, 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 was the whole interview basically.” The rest of the author's notes on Software Engineer interview at Snap, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Basically a cycle detection problem dressed up as a scheduling question.” The rest of the author's notes on Software Engineer interview at Snap, 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 the backtracking approach going in but fumbled explaining the pruning part clearly.” The rest of the author's notes on Machine Learning Engineer interview at Snap, 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 five questions in a trenchcoat.” The rest of the author's notes on Data Scientist interview at Snap, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Classic BFS, and I knew it was BFS the moment I read it.” The rest of the author's notes on Machine Learning Engineer interview at Snap, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.