Fiz uma entrevista na empresa Citadel Securities (New York, NY).
Entrevista
4-5 technicals given by engineers followed by team matching process. For internship, team matching might be for either of {Citadel, Securities}. Technicals are leetcode style. Team match interviews vary, some will ask technical questions and others search for culture fit.
Perguntas de entrevista [1]
Pergunta 1
string formatting, recursive backtracking, some data structure questions
Candidatei-me online. Fui entrevistado pela Citadel Securities (Sydney) em jun. de 2026
Entrevista
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
Perguntas de entrevista [1]
Pergunta 1
1st round: questions about tcp/udp, heap, queue, thread/process + coding exercise about parse file
2nd round: ask about project experience, implement decorator
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
Entrevista difícil
Candidatura
Candidatei-me online. Fui entrevistado pela Citadel Securities (Chicago, IL) em fev. de 2026
Entrevista
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.
Perguntas de entrevista [1]
Pergunta 1
System design, create a stock options book using dict
