A global lifestyle brand is seeking an Marketing Data Scientist to support its global marketing effectiveness strategy. In this role, you will help expand and optimise data science models across markets, delivering insights that guide smarter media investment and drive performance across channels. Responsibilities • Develop and maintain marketing models to measure channel performance • Analyse multi-channel marketing data to identify performance drivers and ROI • Support model rollout in new countries and monitor ongoing performance • Collaborate with marketing, analytics, and data engineering teams to ensure accurate data inputs • Continuously refine modelling approaches and explore new methodologies • Translate complex modelling outputs into clear, actionable insights • Present findings to senior stakeholders through compelling storytelling • Build dashboards and visualisations to monitor marketing performance • Contribute to optimising media planning using MMM outputs Requirements • Experience in econometric modelling and advanced analytics • Strong Python/SQL skills are essential • Familiarity with MMM and MTA tools (e.g., PyMC, Robyn, Meridian), is preferred • Understanding of marketing channels, metrics, and retail/luxury environments • Experience with cloud platforms (AWS, GCP, Snowflake) • Ability to work cross-functionally and communicate complex concepts clearly • Knowledge of incrementality testing (e.g., GeoLift) is a bonus Details • Start date: ASAP • Contract: 12 Month FTC • Salary: £70,000 per annum • Location: Hybrid, 2-3 days per week in London