£49 Per hour
Inside
Hybrid
London Area, United Kingdom
Summary: The Marketing Science Specialist role is a senior contract position focused on enhancing marketing effectiveness measurement within a complex, multi-market organization. The specialist will leverage econometrics, experimentation, and advanced analytics to guide investment decisions and optimize marketing strategies. This hands-on role requires collaboration across various teams, emphasizing the transition from correlation to causation in marketing decision-making. The position offers a hybrid working model with a significant influence on marketing investments and strategies.
Key Responsibilities:
- Translate Marketing Mix Model (MMM) outputs into actionable budget recommendations.
- Interpret response curves, saturation effects, and marginal ROI (mROI) for investment optimization.
- Build forecasting and scenario models to simulate business outcomes.
- Lead analytics strategy within Data Clean Rooms, focusing on Meta Advanced Analytics.
- Write and optimize advanced SQL to analyze first-party CRM data with media exposure data.
- Own the quarterly Learning Agenda, prioritizing hypotheses based on business impact.
- Design and execute Conversion Lift Studies (CLS) and Brand Lift Studies (BLS).
- Synthesize results across experiments to establish best practices.
- Educate stakeholders on the difference between vanity metrics and value metrics.
Key Skills:
- 5+ years’ experience in Marketing Science, Analytics, or Econometrics.
- Degree in a quantitative discipline (Economics, Statistics, Mathematics, Physics, Data Science, or similar).
- Advanced SQL skills (CTEs, window functions, optimized joins).
- Strong experience with Marketing Mix Models (MMM), including adstock, saturation, and Bayesian approaches.
- Hands-on experience with Data Clean Rooms (Meta AA, AMC, ADH, Snowflake) is a plus.
- Deep understanding of experimentation, hypothesis testing, and confidence intervals.
- Ability to translate complex statistical concepts into clear business narratives.
- Strong understanding of AdTech, paid media mechanics, ROAS vs CAC, and margin dynamics.
Salary (Rate): £49.00/hr
City: London
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: inside IR35
Seniority Level: Senior
Industry: IT
The Opportunity
We’re looking for a Marketing Science Specialist to help shape how marketing effectiveness is measured across a large, complex, multi-market organisation. This role sits at the intersection of econometrics, experimentation, and advanced analytics , with a clear mandate: move marketing decision-making from correlation to causation. Reporting into the Head of Marketing Science EMEA , you’ll act as the architect of measurement truth, guiding investment decisions using Marketing Mix Models, Data Clean Rooms, and rigorous causal experimentation. This is a hands-on, senior individual contributor role with significant influence across Marketing, Finance, and Media teams.
What You’ll Be Doing
- Strategic Modelling & Budget Optimisation (40%)
- Translate Marketing Mix Model (MMM) outputs into clear, actionable budget recommendations
- Interpret response curves, saturation effects, and marginal ROI (mROI) to support monthly investment optimisation discussions
- Build forecasting and scenario models to simulate business outcomes under different budget and economic conditions
- Data Clean Rooms & Advanced Analytics (30%)
- Lead analytics strategy within Data Clean Rooms , with a strong focus on Meta Advanced Analytics
- Write and optimise advanced SQL to join hashed first-party CRM data with media exposure data
- Analyse high-value customer segments, moving beyond generic lookalikes to LTV- and retention-driven cohorts
- Learning Agenda & Causal Experimentation (30%)
- Own the quarterly Learning Agenda , prioritising hypotheses based on business impact and statistical confidence
- Design and execute Conversion Lift Studies (CLS) and Brand Lift Studies (BLS) , including power calculations and holdout design
- Synthesise results across experiments to establish evidence-based best practices
- Educate stakeholders on the difference between vanity metrics (e.g. clicks, ROAS) and value metrics (incrementality, profit)
What We’re Looking For
Essential
- 5+ years’ experience in Marketing Science, Analytics, or Econometrics
- Degree in a quantitative discipline (Economics, Statistics, Mathematics, Physics, Data Science, or similar)
- Advanced SQL skills (CTEs, window functions, optimised joins)
- Strong experience with Marketing Mix Models (MMM) , including adstock, saturation, and Bayesian approaches
Nice to Have
- Hands-on experience with Data Clean Rooms (Meta AA, AMC, ADH, Snowflake)
- Deep understanding of experimentation, hypothesis testing, confidence intervals, and bias
- Ability to translate complex statistical concepts into clear business narratives
- Strong understanding of AdTech, paid media mechanics, ROAS vs CAC, and margin dynamics
Why This Role
- High-impact, senior-level contract with real influence on marketing investment
- Modern measurement stack: MMM, experimentation, and clean rooms
- Hybrid working model with a central London office
- Long-term contract offering stability and strategic ownership