Roblox interview notes, page 10 of 15

“This question is deceptively wide.” The rest of the author's notes on Data Scientist interview at Roblox, 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 genuinely maddening.” The rest of the author's notes on Software Engineer interview at Roblox, Online Assessment (OA) round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Took me a bit to figure out what 'valid recognized state' even meant in context.” The rest of the author's notes on Software Engineer interview at Roblox, 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 basically three questions stapled together and they want all of it.” The rest of the author's notes on Data Scientist interview at Roblox, 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 DB row approach since it felt safest, a table with an execute_at timestamp and a polling job sweeping it every few seconds.” The rest of the author's notes on Software Engineer interview at Roblox, 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 problem is easy enough, just DFS and track depth.” The rest of the author's notes on Software Engineer interview at Roblox, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I went with the log approach first since it's more accurate, basically storing a sorted list of timestamps per client and evicting anything outside the window.” The rest of the author's notes on Software Engineer interview at Roblox, Onsite - System Design / Architecture round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This one tripped me up more than it should have.” The rest of the author's notes on Software Engineer interview at Roblox, 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 a beast of a question.” The rest of the author's notes on Software Engineer interview at Roblox, Onsite - System Design / Architecture round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This was brutal.” The rest of the author's notes on Frontend Engineer interview at Roblox, Onsite - System Design / Architecture round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.