We''re recruiting on behalf of one of the UK''s fastest-growing e-commerce businesses for a CRO and Experimentation Manager to find growth opportunities, enhance the customer journey, and increase revenue across their digital platforms.This is a hands-on role - strategic and executional. You''ll work within the marketing team, partnering with performance and channel-owning teams to optimise website performance, deliver personalised experiences at scale, and make data-driven decisions that drive measurable commercial impact. The business operates at high volume with daily product launches, so the pace is fast and the opportunity to test, learn and improve is constant.What you''ll doLead the continuous optimisation of the customer experience across all key conversion metrics - and challenge where necessaryDesign, build and deploy A/B and multivariate tests end-to-end, defining KPIs, supporting QA and measuring statistical significance to inform clear recommendationsUse segmentation and targeting strategies to deliver personalised experiences that improve conversion and engagementAnalyse user behaviour using GA4, BigQuery and additional tools to identify conversion bottlenecks, build dashboards and provide actionable insightsOptimise the full customer journey: product landing pages, positioning, navigation, nudges, personalised interactions and promotional assetsDeliver recommendations for testing new approaches to increase AOV, retention and conversions across product lines ..... full job details .....