Ho presentato la mia candidatura tramite un'agenzia di reclutamento personale. La procedura ha richiesto una settimana. Ho sostenuto un colloquio presso Citadel Securities nel mese di gen 2020
Colloquio
I was put in touch with the company via a headhunter. The interview was over coderpad and the phone. The interviewer asked questions about bash, networking, and C++. We did not get around to discussing math/stats.
Domande di colloquio [1]
Domanda 1
Given a struct A containing only a single integer data member, how would you write a hash function for an std::unordered_set<A> in C++?
Ho presentato la mia candidatura tramite un selezionatore. Ho sostenuto un colloquio presso Citadel Securities (Londra, Inghilterra)
Colloquio
5 rounds in total, starting with hr, hiring manager, potential team. Fairly technical: manager round was a theory quiz covering computer fundamentals, the rest of the rounds were coding rounds
Domande di colloquio [1]
Domanda 1
Write a matching engine, write ring buffer, lock free queue
Ho presentato la mia candidatura tramite un selezionatore. Ho sostenuto un colloquio presso Citadel Securities nel mese di mar 2026
Colloquio
I had a intro phone call and then a technical. The technical was a leetcode style question. They wanted to know more about what team I would be best fit for.
Ho presentato la mia candidatura online. La procedura ha richiesto una settimana. Ho sostenuto un colloquio presso Citadel Securities (Gurgaon, Haryana) nel mese di ott 2025
Colloquio
I applied online for the junion C++ quantitative developer role. After one week, I got intital OA which was a C++ hackerrank. The problem required to optimize an already given function.
Domande di colloquio [1]
Domanda 1
The problem required to optimize an already given function.