Data Scientist / ML Engineer

All The Hires
📍 Barcelona, Catalonia, Spain 💼 full time 🕒 Posted March 01, 2026

Job Description

Our customer is a product company with a truly global presence, specializing in mobile app monetization. They provide a platform that helps developers grow their businesses through intelligent mediation and cutting-edge data tools. The team is composed of international professionals dedicated to building history-defining solutions for the mobile industry.

As they scale, they need a Data Scientist/ML Engineer to bridge the gap between complex datasets and actionable ad-tech performance. You will join the Barcelona-based team to build the intelligent systems that optimize ad targeting and bid strategies for thousands of apps globally.

What You'll Drive

  • Optimize Ad Efficiency: Design and deploy end-to-end models that directly improve ad targeting, bid strategies, and campaign ROI
  • Scale Intelligent Systems: Develop high-performance data science solutions from initial analysis through to ...

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Job Details

  • Location Barcelona, Catalonia
  • Job Type full time
  • Category Mathematical Science Occupations
  • Posted Date March 01, 2026
  • Application Deadline April 10, 2026