J'ai postulé via la recommandation d'un employé. Le processus a pris 2 semaines. J'ai passé un entretien chez Datadog en nov. 2025
Entretien
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
Questions d'entretien [1]
Question 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?
J'ai postulé via un recruteur. J'ai passé un entretien chez Datadog (Paris) en févr. 2026
Entretien
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.
Questions d'entretien [1]
Question 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.
J'ai postulé en ligne. Le processus a pris 4 semaines. J'ai passé un entretien chez Datadog en mars 2024
Entretien
1 hour HR meeting, 3 X 1 hour technical interview, final ML 1 hour interview with director.
Interviewed for NLP position except I got absolutely 0 questions in NLP, and interviewer was not a NLP scientist. Not an AI company.
