Ho sostenuto un colloquio presso Qube Research & Technologies (Parigi)
Colloquio
The QRT process includes three to four interviews and a data challenge: one initial phone call, two on-site interviews, followed by a final fit interview with the relevant hiring manager.
Domande di colloquio [1]
Domanda 1
PCA, Eigenvalues, Eigenvectors, Regression, Probability
Ho presentato la mia candidatura online. Ho sostenuto un colloquio presso Qube Research & Technologies (Parigi) nel mese di apr 2026
Colloquio
First round consisted of ML questions. The interviewer was very nice and the interview went pretty well. He told me at the end that he thought I was going to the next round, but unfortunately it has not been the case, not sure why tho.
Domande di colloquio [1]
Domanda 1
What is XGBoost ? Does the boosting mechanism reduces bias or variance? What is bagging ? What is the architecture of a transformer ? What to do with non-stationary data ? What is important in a ML model beyond the architecture ? What is Adam optimizer ?
Ho sostenuto un colloquio presso Qube Research & Technologies (Hong Kong)
Colloquio
Introduce myself, Went through two of my resume internships. Then came up with three brain teasers and their extension. The interviewer is friendly but you cannot be wrong in any questions.
Domande di colloquio [1]
Domanda 1
why you use this model in factor aggregation, do you know the math foundation of it?