Candidatei-me online. O processo levou 2 semanas. Fiz uma entrevista na empresa Visa Inc..
Entrevista
The first round was with the director of data science, followed by a one hour technical data science project walkthrough for a panel of data scientists on the team and followup questions about ML fundamentals. I received the offer within two weeks of being contacted for first round.
Perguntas de entrevista [1]
Pergunta 1
What is the difference between bias and variance? How do you handle imbalanced data? Describe how an XGBoost model makes predictions.
Candidatei-me online. Fiz uma entrevista na empresa Visa Inc..
Entrevista
There was an Online Assessment containing two questions: one SQL and one Python. If you pass, they reach out to schedule a recruiter call. The technical and behavioral rounds follow that.
Fiz uma entrevista na empresa Visa Inc. (Austin, TX).
Entrevista
1 SQL, 1 Machine learning question, used logistic regression to make a classifier that determined if someone would buy a product or not. The SQL question was alright, This was hackerank.
Perguntas de entrevista [1]
Pergunta 1
SQL question asked about combining two tables, making a new column, and filtering by date, overall very standard first question.
I received the phone call from HR (about 15 minutes). Checked about the location, time and etc. Then went over the project experience about ML, Python & SQL, and some AI or LLM based projects.
