hx Model Developer

In this role you will own end-to-end model delivery for hx Renew, building and validating production-grade models in Python. You’ll collaborate with actuarial teams and internal stakeholders to translate complex needs into robust solutions, while mentoring others and elevating our development standards. You’ll work in a high-trust, high-accountability environment on challenging insurance-focused problems that push technical and domain boundaries. This is a chance to shape state-of-the-art AI-driven underwriting and pricing at scale, alongside ambitious colleagues.

• 5,000 training and conference budget
• 33 days holiday
• Company pension scheme
• Mental health support
• Private healthcare insurance
• Cycle to Work Scheme

• Own end-to-end model delivery from scoping to customer delivery for hx Renew
• Build and maintain production-grade Python models with modern engineering practices
• Collaborate with customer actuarial teams and internal stakeholders to solve complex modeling problems
• Contribute to code quality through reviews, testing, and best-practice guidance
• Mentor junior model developers through pairing and feedback
• Drive improvements in model development standards, tooling, and processes
• Support and participate in knowledge sharing and advancement of discipline within the team

• Shipped and maintained production-grade Python code in complex or data-heavy environments
• Applied predictive modelling or advanced analytics in real-world settings (insurance or reinsurance exposure a bonus)
• Owned ambiguous problems and delivered high-quality outcomes
• Translated non-technical requirements into robust technical solutions
• Thrived in a high-trust, high-accountability environment and pursued personal development

• ability to work with non-technical stakeholders
• problem-solving in ambiguous environments
• team mentorship and collaboration
• Python programming
• production-grade model development
• predictive modelling/advanced analytics