Model Developer at Hyperexponential

Hyperexponential

London·1d ago

Mid LevelFull-timePythonRustGitAI

Salary Range

$76,500 - $103,500 /year

Estimated

This salary is estimated based on similar roles. The actual salary may vary.

About the Role

We are looking for a Model Developer to join the Model Development team at Hyperexponential (HX). This role involves building and maintaining production-grade Python models for the hx Renew platform, which helps insurers make critical decisions in a $7 trillion industry.

Key Responsibilities

→Own end-to-end model delivery on hx Renew, from scoping and build through to testing, iteration, and customer delivery.
→Build and maintain production-grade Python models, applying modern engineering and modelling practices.
→Work directly with customer actuarial teams and internal stakeholders to solve complex, ambiguous modelling and coding problems.
→Raise quality across the team through code review, testing, and contributions to best-practice model development guidance.
→Support and mentor junior model developers through pairing, feedback, and day-to-day delivery support.
→Continuously look for ways to improve our model development standards, tooling, and ways of working.

Requirements

✓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 is a bonus, not a requirement).
✓Taken ownership of ambiguous problems, creating structure and driving them through to high-quality outcomes.
✓Worked directly with non-technical stakeholders or customers, translating requirements into robust technical solutions.
✓Operated effectively in a high-trust, high-accountability environment, proactively driving your own development and learning.