Senior Data Analyst - Contract Marketing Agency London - Hybrid £350-£400 per day - Inside IR35 Great contract opportunity with a Marketing Agency who are looking for a Senior Data Analyst / Marketing Analyst to support one of their key clients on a high-impact project focused on marketing channel performance and statistical analysis. This is a role for someone who loves getting into the data - and knows how to turn complex insights into clear, actionable recommendations for marketing teams. Role & Responsibilities Statistical analysis of marketing performance across paid, organic, CRM, online and offline channels Building and running A/B tests (on features, audiences, or channels) and translating the results into business recommendations Running regression analysis, forecasting, and presenting insights to non-technical stakeholders Post-campaign analysis and reporting - helping clients understand what worked and what didn't Working closely with GA4 data, Excel data extracts, and slicing/dicing data using Python Skills & Experience Strong experience with Google Analytics 4 (GA4) Proficient in Python - particularly for data wrangling, statistical testing (T-tests, etc.), and data analysis Comfortable working with Excel as a data source (data manipulation and cleaning) Experience with BI tools - Power BI preferred, but Tableau or Looker are also fine Solid grasp of marketing concepts - understanding how paid, organic, CRM channels work and how to optimise them Proven ability to present data-driven stories to non-technical audiences Benefits £350-£400 per day, inside IR35, London, 2-3 days in the office How to Apply Register your interest by sending your CV to Lloyd Dunstall via the Apply link on this page Senior Analyst / Statistics / AB Tests / GA4 / Python / Marketing Analytics