Ho presentato la mia candidatura online. Ho sostenuto un colloquio presso Citadel Securities (New York, NY)
Colloquio
Online candidate assessment. Two questions where each question has hard restrictions on time limit requiring efficient solutions in order to pass test cases. matrix sliding window type of question and dp
Domande di colloquio [1]
Domanda 1
Dynamic Programming. Recognizing a 3d dp problem and efficient solution.
Also sliding window (239)
Ho presentato la mia candidatura online. Ho sostenuto un colloquio presso Citadel Securities (Sydney) nel mese di giu 2026
Colloquio
The process includes 4 technical interview and 1 final behavior interview, the primary language is Python. You will scheduled for next round if passed previous round, I failed on 2nd round
Domande di colloquio [1]
Domanda 1
1st round: questions about tcp/udp, heap, queue, thread/process + coding exercise about parse file
2nd round: ask about project experience, implement decorator
Ho presentato la mia candidatura online. Ho sostenuto un colloquio presso Citadel Securities (Chicago, IL) nel mese di feb 2026
Colloquio
First round is behavioral and technical and second round is superday. Then is final round and team matching. Superday was virtual and 45 min each, all same format, with beginning behavioral questions, a huge chunk on system design, and final questions at the end.
Domande di colloquio [1]
Domanda 1
System design, create a stock options book using dict
Ho sostenuto un colloquio presso Citadel Securities
Colloquio
Went through 4 rounds of technical interview + 1 round of leadership round.
This was for a C++ internship role. Process and questions were very dependant on your interviewer, but it is definitely C++ heavy and should be familiar with low level stuff
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