There was an online interview, first round virtual technical interview, then a final round with 3 different people, all technical and virtual. The problems equated to about LeetCode medium and conversation also included behavioral questions about technical background and fit.
Interview questions [1]
Question 1
Design a software system to give and/or revoke access to certain branches of a binary tree.
I applied online. I interviewed at Palantir Technologies in May 2026
Interview
1. 20 minute behavioral interview a few weeks after applying
2. 90 minute OA through hackerrank, 3 problems of easy-med leetcode difficulty, completable within 5 days, was immediately sent link after behavioral interview
3. 45 minute technical coding, medium leetcode, sent about 2 days after completing the OA
Interview questions [1]
Question 1
Why choose Palantir, what about tech interests you, how do you use AI in daily life, etc.
Just the pre-screen behavioral round, was asked: why are you choosing to get your master's degree, what classes do you enjoy, what are you looking for in an internship? Seemed like just a deep dive on my interests, didn't even ask why palantir.
I interviewed at Palantir Technologies (New York, NY)
Interview
One technical round then they put you onto a "superday" which consists of a debugging interview and then a mini system design interview, and then you have a hiring manager behavioral. I had two behaviorals
Interview questions [1]
Question 1
Asked me about what I would look for in an internship, what made me choose my last internship and what I would change about it as well