Technical phone screen had SQL and a stats question on modeling surge pricing demand. Explained the approach fine but yeah
Questions Asked
1.“What is cross-validation and why does it matter?”
Data Scientist
San Francisco, CA
Summer 2025No Offer
Purdue University · Computer Science
2nd year · 2.5-2.8 GPA · 0 past internships
Hard Interview
TechnicalCase study
Everything happened so fast, OA 50 MCQs in 35 minutes then same day got called for DSA round with hashset and tree questions. Second DSA next day was harder DP on subsequences, manager got into a guesstimate about daily deliveries in Bangalore then rapid fire about resume claims process was 2 days total.
Questions Asked
1.“Whats the difference between bagging and boosting?”
2.“Explain the difference between gradient descent SGD and Adam”
Software Engineer
San Francisco, CA
Winter 2025Accepted
University of Michigan · Computer Science
3rd year · 3.7+ GPA · 2 past internships
Hard Interview
TechnicalMultiple roundsVirtual
That number base conversion problem on the HackerRank tripped a lot of people up apparently. OA was 3 problems, two mediums and the base conversion one. Then two coding interviews back to back: dynamic programming and linked lists. Manager round was 30 min about internship projects and what I'd want to work on at Uber specifically. Got the offer about 10 days later
Questions Asked
1.“Given a list of tasks with cooldown n, find the minimum time to finish all tasks.”
2.“Design a content moderation pipeline for user-generated content at large scale”