Senior Data Scientist

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Data Scientist based in Portugal. As a Senior Data Scientist, you’ll develop and improve machine learning products operating at exceptional global scale. You’ll work with large, complex datasets and models that process billions of ad requests and users in real time. The role spans the full data science lifecycle, from research and experimentation through production deployment and optimization. You’ll collaborate closely with data scientists, analysts, and machine learning engineers to build scalable solutions with measurable business impact. Your work will help optimize customer acquisition, retargeting, and advertising performance across a global technology platform. You’ll have significant opportunities to experiment with new algorithms, data sources, and modeling approaches. Joining a distributed, international team, you’ll contribute to a fast-moving environment focused on innovation, collaboration, and continuous learning.