Candidatei-me online. Fiz uma entrevista na empresa Datadog.
Entrevista
The interview process was very well organized and professional. Elisa Medina, the recruiter, was extremely friendly, supportive, and communicative throughout the process. I especially appreciated her transparency, kindness, and effort to coordinate the interviews. The conversations with the team were thoughtful and relevant to my experience as a Senior Data Scientist. Overall, I had a very positive candidate experience.
Candidatei-me por meio de recrutador(a). Fui entrevistado pela Datadog (Paris) em fev. de 2026
Entrevista
HR call
Technical Screening (includes both fundamental ML / statistics and applied case study around time series anomaly detection).
Full loop interview including case study, data analysis case, ML architecture design, coding, and behavioural / leadership interview.
Perguntas de entrevista [1]
Pergunta 1
Explain how to run a linear regression on a very large dataset.
The closed form solution cannot be considered.
You should look at approximations.
Candidatei-me por indicação de um funcionário. O processo levou 2 semanas. Fui entrevistado pela Datadog em nov. de 2025
Entrevista
Had a phone screening call with Recruiter covering past experience and current aspirations. Passed on to the Technical Fundamentals interview that focused anomaly detection on a time series and OLS regression with computational constraints
Perguntas de entrevista [1]
Pergunta 1
You are given an extremely large dataset with a target column. How would you go about modeling it assuming the dataset is too big to processed in memory?
