Machine Learning Senior Engineer (Recommendations)

Barcelona, Catalonia, Spain • Posted June 05, 2026

Job Type: Full-time
Location: Barcelona, Catalonia
Posted: June 05, 2026
Category: Computer Occupations
Application Deadline: July 15, 2026

Role Description

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. And with an incredible 100% growth last year.


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.


Are you ready to be part of the new unicorn?


Keep reading!


Role overview You will be a Senior Machine Learning Engineer dedicated to the hands-on development and optimization of our creativ...

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