Capital One TDP Software Engineer interview questions
based on 43 ratings - Updated Dec 11, 2025
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TDP Software Engineer applicants have rated the interview process at Capital One with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 52.2% positive. This is according to Glassdoor user ratings.
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I applied online. The process took 6 months. I interviewed at Capital One (Dallas, TX) in Dec 2024
Interview
4 rounds, OA, 3 virtual interview. Behavioral, class design, and case interview. Overall, they try to understand your problem solving skills and it’s just a conversation. Good chance of making it through the pipeline if you can answer their questions.
I applied online. The process took 4 weeks. I interviewed at Capital One (New York, NY) in Oct 2024
Interview
Initial online coding assessment. Got back to me a few weeks later to schedule a time for a power day. There was a technical, case, and behavioral interview. It seems like they place a lot of emphasis on the case and behavioral questions so I would practice talking through problem solutions/thinking out loud and also STAR method behavioral questions.
Interview questions [1]
Question 1
What is the best kind of data structure to store a given transaction dataset.
1. code signal (got 3/4 questions right)
2. 4 hour power day (3 hours - case interview, technical interview, behavioral interview, and 1 hr break)
recruiter got back to me after one week
Interview questions [1]
Question 1
1. technical interview was to design a bank account with credit and debit transactions and different users