I applied through an employee referral. I interviewed at Capital One (McLean, VA) in Jan 2020
Interview
There was one phone screening and followed this 6 onsite interviews. Phone screening included several technical question on machine learning and Neural nets. For the onsite, there were 6 rounds, they made me stay overnight in a 4-star hotel. The overall process looked pretty structured.
Interview questions [1]
Question 1
1. Describe how you would address the problem of overfitting
2. Explain the NN architecture you used
3. What are OLS assumptions?
4. Describe Hereoskedasticity and how will you deal with it
5. Write a SQL query to get the maximum number in a column
This is for a new grad program - a case study (math and stats heavy) plus some ordinary behavioral questions. Quite intellectually challenging if your case is complicated but quite interesting experience. also very nice interviewer overall (not so great at giving hints though)
Interview questions [1]
Question 1
a case study (more like a consulting one but very reliant on math calculations)
It was very good. The person asked me questions and I responded back with answers. It was a pleasant experience. The questions were interesting. I have nothing more to say on the matter.
Interviews at large tech and consulting firms typically follow a structured, multi-round process designed to assess both technical competence and cultural fit. Candidates can expect four or more interview rounds, which often include a mix of behavioral interviews, case studies, and sometimes technical or role-specific assessments depending on the position. Behavioral interviews focus on past experiences, decision-making, teamwork, and leadership, while case interviews evaluate problem-solving skills, analytical thinking, and the ability to communicate structured solutions under pressure. To prepare effectively, candidates should thoroughly review the sample questions and case examples provided on the company’s website, as these closely reflect the format, expectations, and evaluation criteria used during the actual interviews.
Interview questions [1]
Question 1
How to beat me at poker
I like playing poker, but I need to improve at shuffling cards.
Here is my shuffling method :
I take the card from the top to start a second pile.
I take the next card from the top of the pile and put it under the second pile.
I take the next card from the top of the pile and put it on top of the second pile.
I repeat the last two steps until no card is in the first pile.
Given the initial pile of cards, can you guess the order after my shuffling?