Senior Data Scientist (m/f/x)
Madrid, Comunidad de Madrid, SpainAll locationsMadrid, Comunidad de Madrid, SpainWroclaw, Dolnośląskie, PolandPrague, Praha, Hlavní město, CzechiaAthens, Attikí, GreeceBudapest, HungaryRome, Lazio, ItalyLisboon, Lisboa, PortugalBucharest, București, RomaniaBelgrade, Beograd, SerbiaSofia, BulgariaKyiv, Ukraine Hybrid
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About the role
We are looking for a Senior Data Scientist to lead the research, design, and continuous improvement of our core predictive models. You will be the driving force behind the math, statistical logic, and feature engineering that make our models highly accurate and profitable. You will tackle complex problems in high-frequency data, design rigorous backtesting frameworks, and work on bridging theoretical research and live product features.
What you'll bring
- Your skills will include (must have)
- 5+ years of professional experience in data science, quantitative research, or statistical modelling
- Deep, intuitive understanding of probability, statistics, and machine learning theory
- Expert-level skills in the Python data stack.
- You write clean, production-grade code
- Proven experience designing complex backtesting environments and defining custom evaluation metrics for unique business problems
- Strong understanding of betting concepts, odds, overround, market-making, or quantitative trading.
- You understand what it means to build models where calibrated probabilities directly drive revenue
- Experience modelling off streaming data or data that updates continuously over time
- Deep knowledge of competitive esports (CS2, Dota 2, LoL), the underlying game mechanics, and the competitive meta
- Understanding of modern MLOps principles and experience with tools like MLFlow, Airflow, etc.