Capital One Software Developer Internship interview questions
based on 208 ratings - Updated Apr 22, 2026
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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 (McLean, VA) in Feb 2020
Interview
Really chill and nice. the behavioral interview was really nice and your basic questions mentioned on glassdoor. the technical had an OOP question and the case was what they described in the video
I applied through college or university. The process took 1 week. I interviewed at Capital One in Oct 2019
Interview
It was fairly straightforward to all the questions you will find online. They tweak the questions slightly, but are essentially the same. They have a coding interview, a case interview and behavioral interview, each lasting 45 min with 15 min break in between.
Interview questions [1]
Question 1
How would Capital One merge the codebase of a company they bought into their own codebase?
I applied through college or university. I interviewed at Capital One (Saint Louis, MO) in Sep 2019
Interview
The interview was on campus.
Very straightforward interview- there were three 45-minute steps. There are three different sets of interviewers and the order for the steps was different for different individuals at my school. First step was a traditional algorithmic type question. Second stage was a behavioral interview, nothing too out of the box. The third interview was more unique, you are presented with already written code and asked to explain what it does, and how you would go about refactoring it to be better or to add additional functionality.
Interview questions [1]
Question 1
How would you go about making this code simpler?
Basic Big(O) type questions for common data structures