Senior Data Scientist

Senior Data Scientist

London, hybrid, one day a week on site.£60,000 to £75,000 plus £5,000 cash allowance

This is an exciting opportunity to join a high-performing data science function that is known in the market for its innovation, scale, and technical depth. You will be part of a specialist team building novel pricing models, exploring alternative data sources, and shaping the next generation of machine learning capability within a growing challenger product area.

The Company

They are a major UK digital insurer with a strong reputation for data-driven decision making. With millions of customers and significant recent investment in pricing, modelling, and analytics, they operate one of the most advanced data science environments in the industry. The business continues to scale rapidly, backed by strong financial performance and a culture that values curiosity, experimentation, and continuous improvement.

The Role

• Build predictive models to improve pricing, customer selection, and risk understanding across car and van insurance.
• Explore and engineer novel data sources to create innovative rating factors and alternative pricing strategies.
• Develop footprint and geospatial modelling approaches, as well as residual modelling to compare expected versus actual claims outcomes.
• Work with large, messy data sets to uncover complex patterns and drive commercially meaningful insights.
• Mentor junior colleagues.

Your Skills and Experience

• Strong commercial experience building predictive models in Python and SQL.
• Confident working with large, complex, or messy datasets.
• Experience applying machine learning techniques such as gradient-boosted models, with exposure to tools like XGBoost or CatBoost.
• Ability to form structured analytical approaches, make sensible assumptions, and communicate your reasoning clearly.
• Comfortable mentoring others and contributing to a cooperative team environment.

What They Offer

• Salary between £60,000 and £75,000.
• £5,000 cash allowance.
• Hybrid working with one day a week in the office.
• Excellent progression opportunities within a high-growth, high-visibility team.
• A comprehensive benefits package.

How to Apply

If you are interested in this Senior Data Scientist position, please apply with your CV below or email me at