Innovate at its core
Innovate at its core
Citadel is a place that constantly changes, and as a consequence, it gives you plenty of opportunities for growth.
Raise your hand if you are ready to take charge of your career. You will be rewarded with opportunities that are pushing the limits of what it means to innovate.
To succeed, you need to combine a deep understanding of financial markets, advanced technology, and a focus on delivery.
It's change and innovation, all the time. You have to love ambiguity, be able to work under pressure and deliver. If that's not for you, Citadel isn't for you.
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Citadel Interview Questions
Citadel Interview Experiences
Senior Software Engineer
I was scheduled for two rounds of online live coding sessions. The problems were average, and I solved both within the given time. The interviewers' response was generally positive, though one interviewer was more supportive than the other. I was
Senior Software Engineer
First time talking to the manager (or the team leader). A simple question: A number from 1..N is missing, and another number from 1..N is duplicated. Find the missing number. Provide as many solutions as possible.
Senior Software Engineer
First round interview. Interviewer was friendly. The interview mostly focused on financial domain questions, data structures, bits and bytes, multithreading, and general C++ language fundamentals. No algorithm questions were asked. The interview
Senior Software Engineer
New York, New York, United StatesJune 28, 2025I was scheduled for two rounds of online live coding sessions. The problems were average, and I solved both within the given time. The interviewers' response was generally positive, though one interviewer was more supportive than the other. I was
Senior Software Engineer
New York, New York, United StatesAugust 1, 2024First time talking to the manager (or the team leader). A simple question: A number from 1..N is missing, and another number from 1..N is duplicated. Find the missing number. Provide as many solutions as possible.
Senior Software Engineer
New York, New York, United StatesJanuary 4, 2022First round interview. Interviewer was friendly. The interview mostly focused on financial domain questions, data structures, bits and bytes, multithreading, and general C++ language fundamentals. No algorithm questions were asked. The interview
