Upstart interview notes, page 1 of 10

“Easier than I expected.” The rest of the author's notes on Software Engineer interview at Upstart, 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 easy part: each guess is correct with probability 0.5, so a streak of 10 has base probability (0.5)^10.” The rest of the author's notes on Software Engineer interview at Upstart, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“My first instinct was to try reversing each map separately in sequence, which would've worked but felt clunky.” The rest of the author's notes on Software Engineer interview at Upstart, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Picking the right project tripped me up more than answering it.” The rest of the author's notes on Product Manager interview at Upstart, 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 sorting was the move but fumbled explaining why adjacent elements are the only pairs you need to check after sorting.” The rest of the author's notes on Software Engineer interview at Upstart, 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 went deeper than I expected for a phone screen.” The rest of the author's notes on Machine Learning Engineer interview at Upstart, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The longitude constraint alone would just be longest increasing subsequence, which I spotted pretty fast.” The rest of the author's notes on Software Engineer interview at Upstart, 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 took me a second to even parse correctly.” The rest of the author's notes on Data Scientist interview at Upstart, Onsite - Multi Round round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“My first instinct was to just sort the characters of each word and use that as a lookup key, which works until it doesn't.” The rest of the author's notes on Software Engineer interview at Upstart, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Started with the nested loop approach just to show I understood the baseline, then moved to the hash map version where you check the complement on each pass.” The rest of the author's notes on Software Engineer interview at Upstart, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.