Responsibilities

• Design and deliver marketing experiments, selecting the most appropriate methodology based on the question, data and constraints
• Lead experimentation across ATL activity (e.g. geo-tests, pre-post analysis, synthetic controls, brand lift studies)
• Design test-and-control approaches for 1:1 activity (e.g. email, app and internet banking), including holdout and fallow groups
• Conduct MDE and power calculations to assess feasibility, sample sizes and test duration
• Monitor in-flight tests and resolve issues in collaboration with marketing, media and data teams
• Analyse results with statistical rigour, isolating true incremental impact
• Produce clear written experiment read-outs and present findings with actionable recommendations
• Where relevant, triangulate results with other measurement approaches such as MMM, MTA or platform uplift studies
• Share learnings to improve future test design and decision-making

Requirements

• Experience in an experimentation, analytics or measurement role within a marketing or commercial environment
• Strong capability in experimental design and statistical testing
• Experience using a range of experimentation techniques, not just geo-based testing
• Understanding of ATL experimentation methods and 1:1 test-and-control approaches
• Confidence choosing the right measurement approach for different problems
• Experience writing up results and communicating insights clearly to stakeholders
• Strong communication skills and a focus on driving measurable business outcomes
• Understanding of MMM, MTA and platform-level uplift studies is desirable but not essential

Preferred

• Understanding of MMM, MTA and platform-level uplift studies is desirable but not essential

Benefits

• A generous pension contribution of up to 15%
• An annual performance-related bonus
• Share schemes including free shares
• Benefits you can adapt to your lifestyle, such as discounted shopping
• 30 days' holiday, with bank holidays on top
• A range of wellbeing initiatives and generous parental leave policies
• Reasonable workplace adjustments for colleagues with disabilities, including flexibility in office attendance, location and working patterns
• Disability Confident Leader – interview guarantee for applicants with a disability, long-term health or neurodivergent condition through the Disability Confident Scheme