Marketing Data ScientistLondon £45,000 to £55,000 + bonus and benefitsNo sponsorship offered - must have full right to work in the UKThis is a rare opportunity to join a growing data science function at a pivotal moment for the business. With senior backing, fresh investment, and a clear focus on marketing effectiveness, this role offers real ownership, visibility, and the chance to shape how data science drives commercial decisions at scale.The CompanyThey are a well established, international organisation undergoing a period of transformation, with a renewed focus on data driven decision making. A new leadership team is investing heavily in analytics to improve customer understanding, optimise marketing spend, and drive long term growth. The data science team has expanded rapidly and continues to grow across the UK and US, creating strong collaboration and progression opportunities.The RoleYou will sit within a marketing measurement and reporting team, focusing on understanding and improving marketing performance across channels. This role combines hands on modelling with real business impact.Key responsibilities include:Developing and enhancing media mix models to measure and optimise marketing investment.Scaling an established UK modelling framework and applying it to international markets.Leading the evolution of marketing effectiveness modelling, with support and one direct report.Working closely with marketing, CRM, and analytics stakeholders to turn insights into ..... full job details .....