TikTok interview notes, page 27 of 28

“I froze.” The rest of the author's notes on Software Engineer interview at TikTok, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The clipping part I got pretty quickly, GREATEST and LEAST to bound start and end to the day window.” The rest of the author's notes on Data Scientist interview at TikTok, 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 bipartite checking, which I recognized pretty fast, but I fumbled the disconnected components part initially.” The rest of the author's notes on Software Engineer interview at TikTok, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This sounds basic until you're mid-explanation and realize you're not totally sure how to describe what happens when you pass a mutable default argument to a function.” The rest of the author's notes on Software Engineer interview at TikTok, 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 where I spent most of my mental energy.” The rest of the author's notes on Data Scientist interview at TikTok, 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 essentially thirteen questions wrapped in one.” The rest of the author's notes on Software Engineer interview at TikTok, 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 base version I got through fine.” The rest of the author's notes on Software Engineer interview at TikTok, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This question is doing a lot of heavy lifting at once and I underestimated it.” The rest of the author's notes on Data Scientist interview at TikTok, 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 visual layer, retention curves overlaid per cohort, average posts per user over time, that kind of thing.” The rest of the author's notes on Data Scientist interview at TikTok, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This one had way more moving parts than it looked.” The rest of the author's notes on Data Scientist interview at TikTok, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.