Data Scientist (Medior)

About Refinery89

Refinery89 is a leading AdTech company helping digital publishers maximize the value of their advertising inventory through advanced programmatic monetization technology. Headquartered in Madrid, with a diverse international team, we combine data, automation, and innovation to make digital advertising more transparent, efficient, and impactful.

We are looking for an experienced and highly analytical Data Scientist (Medior) to join our growing AI and Data team. If you're passionate about building intelligent systems that drive real business impact, thrive on solving complex problems, and want to shape the future of AdTech innovation, we'd love to meet you.

What You'll Do

1. Lead the development of advanced statistical and machine learning models to optimize key performance parameters across our platforms (timeouts, refresh rates, ad placement logic, etc.).