Senior Data Scientist

An opportunity has arisen for a Senior Data Scientist to join a leading UK organisation undergoing a significant AI-led transformation. This role sits within a high-performing Data Science team focused on delivering advanced machine learning solutions that directly influence customer experience, product innovation and business strategy.

This is a position for someone who wants to operate at the intersection of technical excellence, commercial impact and strategic delivery, working on complex, high-value AI initiatives.

Key responsibilities

• Lead the end-to-end development of machine learning models, from concept through to production
• Design and deploy advanced solutions including recommender systems, generative AI and optimisation models
• Translate complex business challenges into scalable, data-driven solutions with measurable impact
• Own delivery of multiple strategic projects, managing priorities and stakeholders effectively
• Work closely with engineering teams to deploy models into production using modern MLOps practices
• Influence senior stakeholders, clearly communicating insights and driving adoption of AI solutions
• Contribute to the wider AI strategy, identifying new opportunities and driving innovation
• Mentor junior team members and support capability development across the function
• Ensure all solutions align with best practice in responsible AI, governance and risk management

Key requirements

• Strong academic background in a quantitative or statistical discipline
• Extensive experience in data science, with a proven track record delivering business impact
• Advanced proficiency in Python and SQL
• Deep understanding of machine learning techniques including regression, classification and modern AI approaches
• Experience building and deploying production-grade models
• Strong stakeholder management skills, with the ability to engage both technical and non-technical audiences
• Experience leading projects and owning delivery across complex environments

Desirable experience

• Exposure to generative AI, recommendation systems or reinforcement learning
• Experience working in regulated or customer-centric industries
• Familiarity with modern data platforms and MLOps tooling

What’s on offer

• Competitive base salary with performance-related bonus
• Strong pension contribution
• Comprehensive private healthcare and wellbeing benefits
• Flexible working environment
• Clear progression opportunities within a growing data and AI function

This is a high-impact role within a business that is investing heavily in data and AI, offering the chance to shape how advanced analytics is applied at scale.

Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates