Senior Data Scientist

<p>An opportunity has arisen for a <strong>Senior Data Scientist</strong> 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.</p> <p>This is a position for someone who wants to operate at the intersection of <strong> technical excellence, commercial impact and strategic delivery</strong>, working on complex, high-value AI initiatives.</p> <strong>Key responsibilities</strong> <ul> <li>Lead the end-to-end development of machine learning models, from concept through to production</li><li>Design and deploy advanced solutions including recommender systems, generative AI and optimisation models</li><li>Translate complex business challenges into scalable, data-driven solutions with measurable impact</li><li>Own delivery of multiple strategic projects, managing priorities and stakeholders effectively</li><li>Work closely with engineering teams to deploy models into production using modern MLOps practices</li><li>Influence senior stakeholders, clearly communicating insights and driving adoption of AI solutions</li><li>Contribute to the wider AI strategy, identifying new opportunities and driving innovation</li><li>Mentor junior team members and support capability development across the function</li><li>Ensure all solutions align with best practice in responsible AI, governance and risk management</li></ul> <strong>Key requirements</strong> <ul> <li>Strong academic background in a quantitative or statistical discipline</li><li>Extensive experience in data science, with a proven track record delivering business impact</li><li>Advanced proficiency in <strong>Python and SQL</strong></li><li>Deep understanding of machine learning techniques including regression, classification and modern AI approaches</li><li>Experience building and deploying production-grade models</li><li>Strong stakeholder management skills, with the ability to engage both technical and non-technical audiences</li><li>Experience leading projects and owning delivery across complex environments</li></ul> <strong>Desirable experience</strong> <ul> <li>Exposure to <strong>generative AI, recommendation systems or reinforcement learning</strong></li><li>Experience working in regulated or customer-centric industries</li><li>Familiarity with modern data platforms and MLOps tooling</li></ul> <strong>What's on offer</strong> <ul> <li>Competitive base salary with performance-related bonus</li><li>Strong pension contribution</li><li>Comprehensive private healthcare and wellbeing benefits</li><li>Flexible working environment</li><li>Clear progression opportunities within a growing data and AI function</li></ul> <p>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.</p> <p><strong>Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates</strong></p>