Senior Data Scientist - Personalization & Predictions

You'd be joining the Artificial Intelligence team. We own the algorithmic core of the platform: Predictions, Contextual Personalization, contextual bandits, autosegmentation, and the agentic workflows behind Loomi. We work with behavioural data at terabyte scale, across 1,400+ customers, in production, every day. We are currently allowing flexibility for our employees to work from anywhere for the respective region (Central & Eastern Europe) or we are happy to meet you in our offices in Bratislava (Slovakia) or Brno, Prague (Czechia) on a full-time basis.

• →Causal inference and uplift modelling — separating who converts because of an intervention from who would have converted anyway.
• →Contextual bandits, sequential decision-making, or off-policy evaluation.
• →Ranking, recommendation or information retrieval.
• →LLM evaluation, or applied work with the GenAI stack.

If this position doesn't suit you, but you know someone who might be a great fit, share it - we will be very grateful!

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