Robert Half Technology are assisting a market leading retail business to recruit a Data Analyst. London/Leeds based - Hybrid working Role The Data Analyst will design and implement post-campaign analysis (PCA) frameworks to measure retail media effectiveness and incremental sales uplift. Analyse EPOS data to evaluate campaign performance, including test vs control methodologies, product halo effects and category cannibalisation. Develop automated reporting solutions, dashboards and data visualisations to communicate campaign performance. Support the development of data ingestion pipelines, ensuring data quality, consistency and reliability. Translate complex analytical findings into compelling commercial insights and stakeholder presentations. Collaborate with internal teams and technical partners to define reporting requirements, validate solutions and ensure successful delivery. Document analytical methodologies, reporting processes and technical solutions. Profile The Data Analyst will have strong experience within retail media, retail analytics or campaign effectiveness measurement. Proven experience working with EPOS / transactional sales data. Strong SQL skills and experience with BigQuery, GCP or Azure. Experience using visualisation tools such as Power BI, Tableau, Pyramid or Looker Studio. Understanding of campaign measurement methodologies, including incremental sales uplift and test vs control analysis. Excellent commercial awareness, stakeholder management ..... full job details .....