Machine Learning Senior Engineer (Recommendations)
Smadex • barcelona, cataluña • Posted May 30, 2026
About the Role
Smadex is a leading advertising technology company founded in Barcelona in 2010 and sold to American-based and stock-listed Entravision in 2018 (NYSE::EVC). We are one of the top mobile ad-tech companies in the world and the largest Demand Side Platform (DSP) based in Europe, with our revenues over +$100M and consistently growing +40% YoY over the past years.
Our mission is to continue to improve our ad-tech platform to help our clients achieve their programmatic advertising campaign goals, and we want to give our employees a job they’ll love, where they will be challenged to improve results through real-life engineering and data analysis and where everyone’s implication has an impact.
Role overview
You will be a Senior Machine Learning Engineer dedicated to the hands‑on development and optimization of our creative selection recommendation engine. This is a critical role that operates within our high-frequency, complex auction ecosystem and requires a st...