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      Capital One

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      Software Engineer Interview

      8 Oct 2016
      Anonymous employee
      Ann Arbor, MI
      Accepted offer
      Positive experience
      Average interview

      Application

      I applied through university. The process took 1 week. I interviewed at Capital One (Ann Arbor, MI) in Sept 2016

      Interview

      After talking to recruiters on campus and submitting an application online, I was called in to the final round of interviews. The interview took place on campus and was overall a really great experience. The interviewers were personable and were really excited to learn about myself as well as share their insight into their workday at Capital One. The interview was a 2.5 hour process involving three parts: Technical, Behavioral, and Case Study.

      Interview questions [3]

      Question 1

      Describe how you would build an online chat system between a customer and a representative.
      Answer question

      Question 2

      Given an unsorted collection of logs with types A,B,C write an algorithm to stable sort to logs.
      Answer question

      Question 3

      Write an algorithm that finds the nth to last element in a linked list.
      Answer question
      6

      Other Software Engineer interview reviews for Capital One

      Software Engineer Interview

      12 Jun 2026
      Anonymous interview candidate
      No offer
      Negative experience
      Easy interview

      Application

      I applied online. I interviewed at Capital One

      Interview

      Scheduled a call with recruiter. Recruiter didnt show up for the screening call and cancelled it 5 mins after the scheduled time. Dropped a follow up email and got no response. After a week, I got an email from the recruiter stating I am selected for the next round i.e Assessment. Sent me an email with the assessment description but no link. When I sent a follow up email asking for the link, I got ghosted again. It was a bad experience. Felt like she is toying with me. Why ghost an applicant repetitively? Unprofessional recruiter who doesn't respect an applicant's time or efforts!

      Software Engineer Interview

      3 Jun 2026
      Anonymous interview candidate
      No offer
      Neutral experience
      Difficult interview

      Application

      I interviewed at Capital One

      Interview

      4 rounds of interview including coding , design , case study, behavioral after clearing the code signal assesment. Coding was medium hard of 2 questions each. case study and system design was difficult.

      Interview questions [1]

      Question 1

      focus on designing and case study
      Answer question

      Software Engineer Interview

      20 May 2026
      Anonymous interview candidate
      No offer
      Neutral experience
      Difficult interview

      Application

      I interviewed at Capital One

      Interview

      This took a bit longer than expected, stretching over several weeks. The technical rounds were intense, featuring an LRU cache implementation and a problem on detecting duplicate transactions within a 60-second window. I was nervous at first, but it clicked for me when I realized I had practiced a similar approach on PracHub just days before. Unfortunately, I didn’t receive an offer in the end, but the experience was a solid learning opportunity. The behavioral questions felt straightforward, so I wish I had made a stronger impression in the technical segments.

      Interview questions [2]

      Question 1

      Implement an LRU cache with get and put operating in O(1)
      Answer question

      Question 2

      Given a stream of transactions, detect duplicates within a 60-second window
      Answer question