I applied through a recruiter. The process took 3 weeks. I interviewed at Capital One (San Francisco, CA) in Feb 2022
Interview
Look at the top review. They are going to ask you how to design a smart meter for multiple apartment buildings, then they are going to ask you 2sum closest to 0, then they are going to give you code and ask you to talk them through it, then they are going to give you a behavioral interview.
Another thing: The people who interview you are not going to be the people you actually work with
Oh, if you pass codesignal. You need something in the range of the 700s or higher, which is more forgiving than most companies that use codesignal
Mini-rant: If you are going to ask everyone the same questions, then base your decision on whether or not they got the correct answer, then the people you hire are going to be the ones who memorized leetcode/glassdoor answers, not the ones who actually solve problems
Interview questions [1]
Question 1
-Two sum closest to zero
-System design interview for smart meter system
-Interpretation of java code for imaginary chat ai that worked with an imaginary database
-four codesignal questions to get to this point
Interviewed for an engineer position, the interview was a joke. Asked basic OOP question with a few follow ups - no system design portion. Interviewer was very laid back and chill, didn't take it to seriously.
Was not too difficult. three total interviews all on the same day back to back. technical one, behavioral one and a case which was more of just a debugging question
Expecting a challenging experience, I found the interview at Capital One to be intense, particularly during the system design section. The question on designing a rate limiter with a token bucket algorithm took me by surprise; mid-way through the problem, I realized it was very similar to a drill I’d practiced on prachub.com just days earlier. The technical rounds included several DSA questions, and the interviewers were thorough but supportive. Ultimately, I received an offer and happily accepted, feeling well-prepared despite the pressure.
Interview questions [1]
Question 1
Design a rate limiter using a token bucket algorithm and discuss how it would handle bursty traffic and distributed deployments.