Senior Data Scientist – AI-Driven Growth & Experimentation

Smadex, a Barcelona-based performance advertising engine, is seeking a Senior Data Scientist to shape the future of our mobile advertising platform. You will sit at the intersection of product, engineering and business, turning massive user data into scalable insights and strategic decisions. Own the analytical loop, design rigorous experiments, and build reusable analytics frameworks. Partner with product, ML and commercial teams to translate findings into action, mentoring juniors and raising…