I applied online. The process took 4 weeks. I interviewed at Palantir Technologies (Palo Alto, CA) in Oct 2015
Interview
1. Phone call with a recruiter to discuss what Palantir is and what I would be interested in doing at Palantir.
2. Technical phone screen with an engineer.
3. Phone call with a different recruiter discussing the on site interview and asking which type of interview I wanted, General Engineer or Systems Engineer
4. Onsite interview: breakfast, three interviews, lunch, demo, then sent home
5. Rejection email saying I am "not a strong enough fit"
Overall the process went smoothly. What really bothered me about the interview process was that I did very well on my interviews on site. All of the problems resulted in a solution that was good and received very positive feedback from the interviewer. I came out of the demo after lunch ready to move on to more interviews (because no matter what they tell you onsite, if they send you home after lunch you're not getting the job unless you've met the founder), but was told to go home. I then received a one line email saying I was not a strong enough fit. I spend a week going over every single interview I had and could not see any place I had gone wrong. I evaluated the interview with friends who also agreed with me that it doesn't seem like I had done poorly. There is no reason that I should be coming out of an interview after receiving only positive feedback from my interviewers then get rejected with no explanation.
Interview questions [1]
Question 1
Phone interview question was about matching parenthesis. The onsite interviews I signed a NDA for.
I interviewed at Palantir Technologies (Miami, FL) in Jun 2026
Interview
Started with a recruiter screen where the whole point is just checking if you actually care about their mission and the real-world impact of their software, rather than just wanting a cool tech job. After that was a 90 minute hackerrank OA that felt more like an implementation mini-project with SQL and Python instead of abstract algorithms.
The onsite was a 4-round loop chosen from decomp, re-engineering, learning, coding, and sys design. Decomp is the most important one - they give you a super vague prompt like designing a chess game or tracking a disease from scratch, and you have to map out the inputs and logic out loud. Re-engineering gives you around 1000 lines of code with a very subtle logical bug to fix, and the learning round drops you into a random API with barely any documentation to see how fast you pick it up lol. Coding was standard LC mediums but they squeeze a 20-minute behavioral chat right into the middle of it, and sys design was heavy on data governance and fault tolerance. The final chat with the hiring manager is pretty intense too ngl. They will actually make you redo parts of the onsite you struggled with. For prep, don't just mindlessly grind LeetCode. Practice reading other people's code fast and structuring ambiguous problems. I got a really good Palantir coach on Prepfully who helped a lot to catch my blind spots and get a reality check before the actual loop. Overall, not very easy though
Interview questions [1]
Question 1
A payment processing module has a race condition that produces incorrect totals under concurrent writes. Walk through how you would identify the root cause and propose a fix.
I applied through a recruiter. I interviewed at Palantir Technologies (Palo Alto, CA) in Jun 2026
Interview
Standard interview similar to their new grad. Recruiter, two technicals decomp and learning, and then hiring manager half behavioral half technical leetcode style. Really focused on why palantir, mission alignment, and role alignment.
I interviewed at Palantir Technologies (New York, NY)
Interview
Great interview process - 1. Recruiter call 2. Leetcode style technical 3. Scoping style (decomp) interview 4. Frontend coding 5. Another scoping (decomp round).
Interviewers were fun and engaging, and I felt challenged in a positive way.
Interview questions [1]
Question 1
Why do you want to work here?
What are you looking for in your next role.