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Senior Marketing Data Scientist (m/f/d)

Warsaw💼 Full-time🗓 2026-08-13 → 2026-09-26

Core

Design and execute causal experiments to measure the true incremental effect of marketing activities on bookings and revenue, shaping global marketing budget allocation.

Role type

Senior IC data scientist (causal inference & marketing measurement)

Builds

Structured test-and-learn programmes, attribution models (CLV-MTA, MMM), and geo/time-based experiment frameworks

Domain

Travel technology + Marketing analytics

Deliverable

production ML models | dashboards & analysis

Required skills

Causal inference methods (difference-in-differences, synthetic control, Bayesian structural time series), Python, SQL, statistical modelling (statsmodels, PyMC, CausalImpact), version control (Git), cloud/data warehouse (BigQuery, Snowflake)

Preferred skills

Marketing measurement, media mix modelling, growth reporting, Bayesian methods

Responsibilities

Design and run geo-based, time-based, and synthetic control experiments; Build and manage a test-and-learn programme; Contribute to attribution model development and validation; Translate causal findings into actionable recommendations for stakeholders; Review experiment designs and shape internal measurement standards

Seniority

Senior, hands-on IC

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