Lead Data Scientist - Data Products & Ad Tech

Titan OS Partnership; Barcelona; Vor Ort; EUR 90.000 - 120.000; Vollzeit

Benefits dieser Stelle

Private health insurance

International work environment

Competitive compensation

Zusammenfassung

Titan OS, a Barcelona-based technology company, seeks a Lead Data Scientist to shape data products and models with a strong emphasis on advertising audiences, targeting, and measurement. You will mentor a growing team and collaborate across product, engineering, and commercial teams to deliver business value.

You will lead the data science direction, build scalable pipelines, and help drive decisions with experiments and analytics. English proficiency required; on-site in Barcelona.

Qualifikationen

• 6+ years in data science or ML, with at least 2 years leading projects or people.
• Track record of building data products that went to production with business impact.
• Experience in advertising or ad tech: audiences, targeting, measurement, programmatic or similar.
• Strong Python and SQL; knowledge of ML libraries (scikit-learn, PyTorch, XGBoost).
• Statistics: experiment design, causal inference, forecasting.
• Experience with large datasets and modern data platforms.
• Understanding of data privacy and GDPR implications on modeling.
• Professional English level.

Aufgaben

• Build data products and ship models to production.
• Design audience segments, scores, APIs or dashboards.
• Collaborate with data engineering for scalable model deployment and monitoring.
• Set data science vision and roadmap with product and engineering.
• Lead and mentor the data science team; hire and grow new scientists.
• Explain complex results clearly to technical and non-technical stakeholders and clients.

Kenntnisse

Python

SQL

Experiment design

Leadership

Ad tech experience

Tools

DBT/SqlMesh

scikit-learn

PyTorch

XGBoost

MLOps tools

Jobbeschreibung

Titan OS, a Barcelona-based technology company, seeks a Lead Data Scientist to shape data products and models with a strong emphasis on advertising audiences, targeting, and measurement. You will mentor a growing team and collaborate across product, engineering, and commercial teams to deliver business value.

You will lead the data science direction, build scalable pipelines, and help drive decisions with experiments and analytics. English proficiency required; on-site in Barcelona.