Senior Data Scientist

Senior Data Scientist

London (Hybrid, 2 days per week) | £75,000 to £95,000 + bonus

This is a chance to take ownership of end-to-end machine learning products within a large-scale personalisation programme, where data science directly shapes customer experiences. You will work on production systems rather than proofs of concept, with clear visibility of impact across a highly engaged user base. The role combines technical depth, leadership, and close collaboration with product and engineering teams.

The Company

They are a well-established UK organisation operating at scale, with data and AI at the heart of their long-term strategy. The business is undergoing a significant AI transformation, embedding intelligence and personalisation into core products rather than treating data science as a support function. With a strong investment in modern platforms and partnerships, they offer a stable yet ambitious environment for senior data scientists.

The Role

• Own the full lifecycle of data science and machine learning products, from problem definition through to deployment and iteration
• Design, build, and maintain production-ready ML systems that drive personalised customer experiences
• Lead a small delivery pod, providing technical direction and mentoring to data scientists
• Translate ambiguous business problems into well-scoped, measurable data science initiatives
• Work closely with data engineering, software engineering, and product teams to ensure solutions are scalable and adopted
• Measure and optimise model performance and real-world impact, including engagement and behavioural outcomes
• Contribute to broader AI adoption and best practices across the organisation, including emerging generative AI use cases

Your Skills and Experience

• Strong commercial experience applying machine learning techniques such as regression and classification to real-world problems
• Advanced Python and SQL skills, with experience working across complex datasets
• Proven track record of delivering production machine learning solutions end to end
• Experience leading data science projects and guiding others through delivery
• Confident communicating with both technical and non-technical stakeholders
• Comfortable working in ambiguous environments and shaping solutions proactively

What They Offer

• Salary between £75,000 and £95,000 depending on experience
• Performance-related bonus paid twice yearly
• Hybrid working with two days per week in a London office
• Comprehensive benefits package including health, pension, and wellbeing support
• Clear opportunity to influence strategy, grow technical leadership skills, and work on high-impact AI initiatives

How to Apply

If this sounds like the perfect role, please apply below!