Senior ML Engineer

What You'll Do:

CRITEO is looking for a Senior Machine Learning Engineer to join our R&D team in Paris. Our mission is to power real-time product ranking systems that deliver the most relevant ads to users on retailers’ websites as part of our Retail Media solutions ( Retail Media).

To achieve this, we design and operate large-scale machine learning systems built on tabular data to predict user behaviors such as clicks and purchases. Our work spans the full ML lifecycle — from building robust data pipelines and developing production-grade models to monitoring and maintaining model performance in production.

You’ll join a team of Machine Learning Engineers working closely with cross-functional partners across R&D, Product Management, Product Analytics, and Commercial teams to deliver impactful, scalable solutions.

Our core technology stack includes Python, Spark, SQL, and C#.

Your main missions :