Solicité el puesto a través de la recomendación de un empleado. El proceso duró 2 semanas. Acudí a una entrevista en Datadog en nov 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
Preguntas de entrevista [1]
Pregunta 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?
Solicité el puesto a través de un captador. Acudí a una entrevista en Datadog (París) en feb 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.
Preguntas de entrevista [1]
Pregunta 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.
Envié una solicitud electrónica. El proceso duró 4 semanas. Acudí a una entrevista en Datadog en mar 2024
Entrevista
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.
