Capital One Software Developer Internship interview questions
based on 208 ratings - Updated Apr 22, 2026
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Capital One interviews FAQs
Candidates applying for Software Developer Internship roles take an average of 14 days to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at Capital One overall takes an average of 33 days.
Common stages of the interview process at Capital One as a Software Developer Internship according to 1 Glassdoor interviews include:
Skills test: 100%
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I applied through a recruiter. I interviewed at Capital One (Plano, TX) in Oct 2018
Interview
There were three interview sections, Behavioral (where they ask you common behavioural questions to get to know your experiences), Technical (where you get asked a couple of questions [3] involving programming and logical thinking), and Case (where you're asked about your opinion and steps you should take on solving a problem).
Interview questions [1]
Question 1
How would you conceptually design a banking system that does x?
I applied online. The process took 5 days. I interviewed at Capital One (McLean, VA) in Oct 2018
Interview
There are 3 sections, a behavioral section, a case study section, and a technical section. Technical section was the hardest, with the case study and behavioral mainly a test of whether the candidate can communicate effectively.
Interview questions [1]
Question 1
Given a binary tree, remove all subtrees in which node values are all 0.
Given a currency amount, what is the smallest amount of bills you can split it into?
Ex $125 would be 1 100, 1 20, and 1 5 dollar bill.
I applied through college or university. I interviewed at Capital One
Interview
Couldn't make the on-campus interview so I was flown out to Richmond, VA. I had a behavioral interview (standard questions from glassdoor), case interview, and a job fit interview. The case interview started off with questions about why CapOne might choose one process over another and then I was given a piece of code and asked to explain what it does. The bulk of my case interview was spent on how I would explain this code to upper management. I wasn't really sure what he was asking because he just kept telling me that a VP might not understand. In the end, what he really wanted was me to write out a truth table to explain to the VP..