Senior Data Scientist
Titan OS · Barcelona, Catalonia
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- Company
- Titan OS
- Location
- Barcelona, Catalonia
- Employment type
- Full-time
- Posted
- October 8, 2026
About this job
We are looking for a Senior Data Scientist to lead the development of predictive audience models for Titan OS, turning smaller seed and observed datasets into robust predictions of much larger customer populations for Connected TV advertising. This is a deeply technical role focused on statistics, sampling theory and machine learning, with a strong emphasis on representativeness, selection bias, population extrapolation and uncertainty. You will combine Titan OS first-party data with seed audiences and population-level datasets, owning the methodology from research and experimentation through validation, productionisation and model monitoring.…
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