J'ai postulé via un établissement d'enseignement supérieur ou universitaire. Le processus a pris 2 semaines. J'ai passé un entretien chez Visa Inc.
Entretien
Two technical phone interviews and a coding challenge followed by a behavioral phone interview. The technical interviews were very conceptual, similar to a machine learning course exam. The coding challenge was 3 hours, quite involved and takes some time and thought.
Questions d'entretien [2]
Question 1
Determine which of these decision boudaries could have been achieved by each of these classifiers.
Describe the pros and cons of using a decision tree/random forest vs neural network. What can you achieve in one versus the other and what are the benefits.
J'ai postulé en ligne. J'ai passé un entretien chez Visa Inc.
Entretien
Prima di un contatto con HR ti fanno fare un test di codice con preparazione dati e l'uso di un modello di machine learning. Il punteggio viene comunicato subito. L'HR mi ha comunicato che non ho fatto un punteggio abbastanza alto.
J'ai postulé en ligne. J'ai passé un entretien chez Visa Inc. (Naples)
Entretien
Prova di Coding su Code Signal, una piattaforma che mette a disposizione un IDE per produrre codice online. Successivamente non saprei come sarebbe continuato nè mi è stato detto anteriormente.
Visa’s Data Scientist interviews typically include recruiter screening, technical coding in Python/SQL, machine learning fundamentals, statistics, and modeling. Expect case studies (fraud, risk, personalization), exploratory data analysis, and metrics. Onsite panels assess communication, stakeholder collaboration, business acumen, experiment design, and presenting insights, plus behavioral questions and culture fit and expectations,