Data Scientist

Data Scientist / Machine Learning Engineer

Barcelona | Hybrid (city centre office)

A global product company is looking for a Data Scientist / ML Engineer to join their team in Barcelona. You’ll work on high-scale ad-tech systems, building models to optimise ad targeting, bid strategies, and campaign performance.

What You'll Do:

• Build and deploy ML models in production
• Analyse data to extract insights and improve advertising performance
• Own projects end-to-end: from data exploration to deployment
• Work closely with product and engineering teams

Requirements:

• 3+ years in Data Science / ML
• 2+ years in AdTech or a similar domain
• Strong Python, SQL, PySpark
• Experience with PyTorch, Hydra, Comet
• Cloud experience (e.g. AWS)