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At Cancer Research UK, we exist to beat cancer. 

We are looking for 2 Senior Data Scientists to join our Marketing Fundraising and Engagement (MFE) directorate, enabling data driven decisions that drive impact. 

Cancer Research UK has a vision to bring about a world where everybody can lead longer, better lives, free from the fear of cancer. However, to achieve our mission and grow our funding, we must build even greater momentum and urgency around our cause, and engage and inspire millions of people in deeper, more meaningful ways to join our mission. Therefore, we have created a long-term Engage Strategy and designed a bold transformation programme which aims to better harness data and digital marketing technology to deliver more relevant, trusted, and frictionless experiences for our audiences (and in turn drive growth). 

You’ll bring strong expertise in data visualisation tools, particularly Python, along with experience in MLOps and the ability to translate complex insights into compelling stories. You’ll work across a wide variety of high impact projects within MFE, including our London Marathon initiative, where we’re using machine learning to identify the supporters most likely to generate the greatest income. You’ll also support our Legacies team, which contributes a third of CRUK’s overall income, by developing forecasting models and analytical tools that help them plan confidently and maximise long term value. 

Application Instructions:
Application Closing Date:
10 April 2026
Salary:
£46,000 - £53,000 plus benefits