Our client an award winning SaaS organisation providing software solutions to the SME marketplace is now seeking an experienced Data Scientist for a 12 month contract. You will be assisting in the company transition from correlation-based reporting to causal-based decision making, helping guide key marketing investment decisions. Central London location, hybrid, with 2-3 days a week in the office. Responsibilities \* Forecasting: Build predictive models to simulate business outcomes under various economic and budgetary scenarios, acting as the "radar" for the marketing department. \* Serve as the analyst lead for the Data Clean Room (DCR) strategy, specifically within Meta Advanced Analytics (AA) \* SQL: Write and optimize advanced SQL queries \* Learning Agenda & Causal Experimentation. Design and execute rigorous Conversion Lift Studies (CLS)and Brand Lift Studies (BLS). Skills \* 5+ years of experience working in marketing science or data analytics teams. \* B.Sc. Economics, Statistics, Mathematics or Data Science. \* SQL: Advanced level. Ability to write complex CTEs, window functions, and optimize joins for distributed systems. \* Experience with Marketing Mix Models (MMM). Understanding of Bayesian inference, Adstock transformations, and saturation curves. Useful experience \* Hands-on experience with at least one major DCR environment. \* Deep understanding of hypothesis testing, confidence intervals, p-values, and selection bias. \* Understanding of AdTech and paid media mechanics, margin profiles. Benefits \* Global company, long contract \* Hybrid role \* Free breakfast