Full job description

This is an opportunity to take ownership of some of the most commercially important marketing measurement challenges in a growing, data-driven business. You will shape how marketing investment is allocated, influence acquisition strategy, and build the models that drive long-term growth.The CompanyThey are a digital business investing heavily in customer acquisition and marketing analytics. With ambitious growth plans and a commitment to data-led decision making, they are looking to significantly increase marketing spend while ensuring every investment is measurable and effective.Their analytics and data science function plays a role in strategic decision making, partnering closely with marketing leadership to optimise performance and identify scalable growth opportunities. The business embraces modern technologies and AI-enabled ways of working to maximise impact across the organisation.The RoleAs a Senior Data Scientist, you will work closely with the Head of Performance Marketing to evaluate marketing effectiveness, improve acquisition efficiency, and support significant budget growth.Key responsibilities include:*Own and develop the Marketing Mix Modelling (MMM) framework to guide marketing investment decisions
*Analyse channel effectiveness and identify diminishing returns across paid media channels
*Build and maintain Lifetime Value (LTV) models that support acquisition and budgeting decisions
*Measure marketing incrementality through experimentation, lift studies, geo-testing and causal inference techniques
*Translate modelling outputs into clear budget recommendations and commercial actions
*Partner with marketing stakeholders to optimise customer acquisition performance as marketing investment scales
*Develop predictive models and advanced analytics solutions using Python and SQL
*Leverage AI tools to accelerate coding, experimentation and analytical workflows
*Drive best practice across marketing measurement, attribution and performance analytics
Your Skills & Experience*Strong commercial experience in Marketing Mix Modelling (MMM)
*Experience measuring incrementality and designing marketing experiments
*Expertise in customer lifetime value (LTV) modelling
*Strong understanding of marketing performance, attribution and channel effectiveness
*Advanced SQL and Python skills
*Experience working with Snowflake and dbt
*Strong statistical and causal inference knowledge
*Ability to communicate complex analytical findings to non-technical stakeholders
*Experience partnering closely with performance marketing teams
What They Offer*Salary up to £90,000
*Fully remote working within the UK