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      Capital One

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      Senior Software Engineer Interview

      Aug 3, 2021
      Anonymous interview candidate
      Declined offer
      Positive experience
      Average interview

      Application

      I applied through a recruiter. The process took 3 weeks. I interviewed at Capital One in Jul 2021

      Interview

      I was first reached out to by a recruiter by email. They told me the process was to interview first and then get to know the teams. So I had no real insight as to what team/role I was interviewing for. I think this is the only real negative I felt with the interview process. It's a pretty typical interview process with an initial code screen and then a power day consisting of 4 rounds. The code screen was done through code signal. I took a week to familiarize myself with code signal and they have a new practice test you can do everyday for free. Power day was 4 rounds that are one hour each, you usually don't use the whole hour and are left with time for questions. The interview process is very blind, it's senior level managers interviewing you and they weren't in the same location or department I was interviewing for. So I really didn't get to meet my team or hiring manager until after I passed the interview. The rounds are system design, coding question, case interview, and behavioral. I think case is the only type of interview I haven't come across before. It's more about thinking from the business point of view. Like if we add xyz feature how does it help the company and the consumer? This was the hardest round for me. It was half business logic questions and half reading code and suggesting improvements. For the coding question they use hacker rank as an ide, so you're not going to have to pass test cases or anything. They gave me a hard coded input and told me to print the solution. They only asked me how I'd handle certain edge cases, but I didn't have to implement. I took 2 weeks to review common leet code questions. Overall I think it was a good interview process, but I just really wish I knew the role before interviewing. I was hoping for a full stack role, but they only had one backend role at my location. The recruiter made it sound like I would have a choice between what team I was part of, but I was only really given one team.

      Interview questions [4]

      Question 1

      Design a smart meter system for an apartment
      Answer question

      Question 2

      Two sum from leet code
      Answer question

      Question 3

      business case for a chat bot
      Answer question

      Question 4

      tell me about a time you had a conflict with a team member
      Answer question
      9

      Other Senior Software Engineer interview reviews for Capital One

      Senior Software Engineer Interview

      Jun 2, 2026
      Anonymous employee
      Boston, MA
      Accepted offer
      Neutral experience
      Average interview

      Application

      I interviewed at Capital One (Boston, MA)

      Interview

      Power day style interview, two coding, one system design, one behavioral. Everyone was nice, but the interviewers seemed a little under prepared and/or new to interviewing in general. Questions where essentially leetcode medium/hard almost word for word.

      Interview questions [1]

      Question 1

      Leetcode Count primes, looking for optimal solution
      Answer question

      Senior Software Engineer Interview

      May 27, 2026
      Anonymous interview candidate
      No offer
      Negative experience
      Average interview

      Application

      I interviewed at Capital One

      Interview

      Code assessment then to power day interview with 4 rounds. Overall the power day interviews were okay except for the case study. The interviewer was disengage while being on their phone the whole time. There was a part where the interviewer said fix the mistakes then went back to their phone. I pointed out their code has other errors with template and was ignored. Then while attempting to fix those (10 mins later) they mentioned to ignore that part and focus on the very bottom part of the code. What a waste of time and very unprofessional. This makes me wager a few of the interviewers probably could not pass their own interview process today.

      Interview questions [1]

      Question 1

      Code signal 4 questions. Power day is one coding question, system design, case study and behavioral.
      Answer question

      Senior Software Engineer Interview

      May 7, 2026
      Anonymous interview candidate
      Ciudad de Mexico
      No offer
      Positive experience
      Difficult interview

      Application

      I applied through other source. The process took 2 months. I interviewed at Capital One (Ciudad de Mexico) in May 2026

      Interview

      Excelente code challenge después de eso, preparaciones para un powerday q es básicamente 4 entrevistas técnicas en un solo día, es de 1 hora cada uno y al final de dicen si queda o no