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    Palantir Technologies Software Engineer Interview Questions

    Interviews at Palantir Technologies

    253 Interview Reviews

    Experience

    Experience
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    29%
    29%

    Getting an Interview

    Getting an Interview
    51%
    20%
    16%
    10
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    Difficulty

    3.3
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    Interviews for Top Jobs at Palantir Technologies

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    Helpful (1)  

    Software Engineer Interview

    Anonymous Interview Candidate in New York, NY (US)
    No Offer
    Positive Experience
    Difficult Interview

    Application

    I applied online. I interviewed at Palantir Technologies (New York, NY (US)).

    Interview

    Flew me down to NYC, paid for hotel. Had 3 on-site 1 on 1 interviews on programming challenges, debugging, and systems design. Got the impression I would receive an offer but they scheduled an additional virtual interview a week later and was rejected afterwards.

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    Interview Questions

    • Design a data structure to store file permissions that can grant and revoke access privileges to directories and their children   Answer Question

    Other Interview Reviews for Palantir Technologies

    1.  

      Software Engineer Interview

      Anonymous Interview Candidate
      No Offer
      Neutral Experience
      Average Interview

      Interview

      Had a phone interview and an on-site. The on-site was two interviews, then lunch with a group of other people who were interviewing, then another interview with the hiring manager. They asked a ton of behavioral questions.

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      Interview Questions

      • Lots of behavioral. Why you're leaving current company, reasons you want to work for palantir, etc.   Answer Question

    2.  

      Software Engineer Interview

      Anonymous Interview Candidate
      No Offer
      Neutral Experience
      Average Interview

      Application

      I applied through an employee referral. I interviewed at Palantir Technologies in November 2020.

      Interview

      First round interview was with a 3rd party company. 2 minutes intro of CS background. 10 minutes answering algorithms questions. 40 minutes coding challenge. Coding challenge focused on handling data and using specific data structures like dictionaries to produce results.

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      Interview Questions

      3. Join the Palantir Technologies team
      See Our Latest Jobs

    3.  

      Software Engineer Interview

      Anonymous Interview Candidate
      No Offer
      Negative Experience
      Average Interview

      Interview

      It was very long. The hackerrank wasn't too difficult but it took a long time for them to respond even with a full score.a a a a a a a a

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      Interview Questions

    4.  

      Software Engineer Interview

      Anonymous Interview Candidate
      No Offer
      Negative Experience
      Easy Interview

      Interview

      Simple phone screen with popular leetcode question. Interviewer proceeded to try to optimize my code in the middle of me solving the problem. I have no idea why an interviewer would not just let a candidate work and instead force minor modifications in the middle. Easily the worst interviewer i've ever had. Please step up your training

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    5.  

      Software Engineer() Interview

      Anonymous Interview Candidate in Palo Alto, CA (US)
      No Offer
      Positive Experience
      Difficult Interview

      Application

      I applied online. The process took 2 days. I interviewed at Palantir Technologies (Palo Alto, CA (US)) in September 2020.

      Interview

      I first submitted my resume and answered some questions such as why I wanted to work for Palantir. I then had a technical assessment on HackerRank that tested DFS/BFS algorithms applied to a matrix.

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      Interview Questions

    6.  

      Software Engineer Interview

      Anonymous Interview Candidate
      No Offer
      Neutral Experience
      Difficult Interview

      Interview

      Online Hackerrank after applying online. Unfortunately, I never got past that stage, so I have no idea how the rest of it goes. But, the first stage was arguably the hardest hackerrank exam I've ever taken. Good luck!

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      Interview Questions

    7.  

      Software Engineer Interview

      Anonymous Interview Candidate
      No Offer
      Neutral Experience
      Average Interview

      Application

      I applied through a recruiter. The process took 3 weeks. I interviewed at Palantir Technologies.

      Interview

      Recruiter reached out via LinkedIn. Technical phone screen 1 week later. Final round consisting of 3 interviews, all covered behavioral components, 2 were coding questions and the last focused on OO/system design.

      Recruiter chat and technical phone screen were fairly standard. Palantir is kind of weird in that they have a second round of 3 technical interviews before finally conducting an interview with a hiring manager at a later date. I guess it's not worth the hiring manager's time to talk with you until you've passed the technical bar.

      The coding questions were fairly standard although one ended up being pretty rushed since the interviewer arrived 15 minutes late only leaving 15 minutes to code so I was unable to finish the question. The system design question was a bit odd since I was asked to dive deep into OO design and implement classes yet the interviewer seemed disappointed that I didn't spend as much time on infrastructure, again the interview was rushed <30 minutes. I felt I could have demonstrated much more given even 5-10 more minutes.

      All in all, the technical questions are fairly standard for the industry although I believe Palantir could probably get a higher fidelity read on candidates' technical abilities by allocating a bit more time to technical sections of interviews.

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      Interview Questions

    8.  

      Software Engineer Interview

      Anonymous Interview Candidate
      No Offer
      Negative Experience

      Interview

      coding challenge, then recruiter call. never had such a terrible experience talking to a recruiter before, as she was very rude. she did not have a deep technical understanding as she confused ml infra with ml. does not seem to be a great place to work if the recruiter is representative of the culture

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      Interview Questions

      • Why are you interviewing for such a diverse set of companies? What kind of engineering are you interested in?   1 Answer

    9.  

      Software Engineer Interview

      Anonymous Interview Candidate
      No Offer
      Positive Experience
      Average Interview

      Application

      I applied online. The process took 4+ weeks. I interviewed at Palantir Technologies.

      Interview

      First was a short behavioral phone screen, then technical phone screen through Karat. Questions were LC easy. Moving to onsite, started with a company intro before 3 interviews. System design was okay, no very complex requirements. Debugging was quite straightforward, used provided IntelliJ and Java environment. Coding round was LC medium, no advanced ds or algo required. The people were very friendly in general.

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      Interview Questions

      • Consider a simple card game where the winner of each round is whoever has the highest card after drawing from top of hand. On ties, draw 4 cards from hand and compare 4th card. Round winner takes all cards on table. Players lose when they have no cards, down to one winner. Implement game.   1 Answer
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