Lead Data Scientist
hyperiongrp · London · United Kingdom · Hybrid
Posted Sep 29, 2026
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Who are we?
Howden is a global insurance group with employee ownership at its heart. Together, we have pushed the boundaries of insurance. We are united by a shared passion and no-limits mindset, and our strength lies in our ability to collaborate as a powerful international team comprised of 24,000 employees spanning over 56 countries.
People join Howden for many different reasons, but they stay for the same one: our culture. It’s what sets us apart, and the reason our employees have been turning down headhunters for years. Whatever your priorities – work / life balance, career progression, sustainability, volunteering – you’ll find like-minded people driving change at Howden.
Senior Data Scientist
Location: London Department: Group Data & Analytics Reporting to: Senior Data Science Manager
About the Role
Howden Group Holdings, a leading international insurance broker operating in over 100 countries, is seeking an experienced Lead Data Scientist to join our Group Data Science team.
This is a senior individual contributor role for a highly capable practitioner who has successfully delivered machine learning and AI products from concept through to production within large, complex organisations. The successful candidate will combine deep technical expertise with strong commercial acumen, helping shape and deliver scalable AI and machine learning solutions that drive measurable business outcomes across Howden's global operations.
Working closely with business stakeholders, data engineers, and platform teams, you will lead the technical delivery of high-value data science and AI initiatives, ensuring solutions are production-ready, scalable, and adopted by the business. You will act as a technical leader and trusted advisor, helping to establish best practices while contributing directly to hands-on delivery.
Role Responsibilities
Lead the end-to-end delivery of machine learning and AI solutions, from discovery through to production deployment and ongoing optimisation
Partner with business stakeholders to identify opportunities, define use cases, and prioritise work based on commercial value
Design, develop, and deploy scalable machine learning, predictive analytics, and AI applications
Drive technical best practices across data science, experimentation, model development, MLOps , and software engineering
Collaborate closely with Data Engineering, Platform , and Product teams to deliver production-grade solutions
Contribute to the evolution of Howden's AI and data science capabilities, standards, and ways of working
Support agile delivery teams, providing technical leadership and guidance throughout the product lifecycle
Stay current with developments in Data Science , AI, and cloud technologies, helping bring innovative approaches into the organisation.
Your Skills
Proven track record of building and deploying production-grade AI / ML…