Senior Data Scientist, MMM £70,000 - £90,000 Fully Remote This is an opportunity to take ownership of marketing measurement within a growing, data-driven consumer marketplace. With significant investment planned across acquisition channels, you''ll play a pivotal role in understanding what genuinely drives growth and where marketing spend can deliver the greatest commercial impact. THE COMPANY They are a fast-growing online marketplace operating within the travel and experiences sector, connecting customers with unique experiences through a network of independent partners. The business has built a strong brand, operates with a purpose-led mindset, and combines commercial growth with a commitment to supporting local communities and sustainable business practices. Their data team is lean, highly collaborative, and empowers individuals to own meaningful work. You will have direct exposure to senior stakeholders and the opportunity to influence business decisions through data science, experimentation, and modelling. THE ROLE As a Senior Data Scientist, you will own the organisation''s marketing measurement capability and help shape how acquisition budgets are allocated. Specifically, you can expect to be involved in the following: Owning and developing the Marketing Mix Modelling (MMM) framework to evaluate channel performance, saturation points, and marginal acquisition costs Designing and measuring incrementality experiments including conversion lift studies, holdout testing, ..... full job details .....