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.
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 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?