Model Development

hub

Meet the

Meet the

Model Development

Model Development

team

team

We build the pricing intelligence that powers hx Renew.

Model Development at hx sits at the intersection of production engineering, actuarial complexity and customer partnership: where we transform legacy pricing logic into modern, trusted models.

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Junior Model Developer

London

Junior Model Developer

London

Model Developer

London

Model Developer

London

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Explore our Teams

Model Development

We're a collaborative, highly technical team that works directly with customers to build production-grade pricing and reinsurance models in hx Renew. We translate legacy Excel models or design new ones from scratch, support customers to own and extend their models, and work across global carriers, reinsurers and specialist MGAs. This is high-stakes, customer-facing work where we're often the main technical touchpoint customers have with hx. We need strong coding craft, clear communication under pressure, and the ability to move between technical depth and stakeholder conversations seamlessly.

Model Development

Model Development

We're a collaborative, highly technical team that works directly with customers to build production-grade pricing and reinsurance models in hx Renew. We translate legacy Excel models or design new ones from scratch, support customers to own and extend their models, and work across global carriers, reinsurers and specialist MGAs. This is high-stakes, customer-facing work where we're often the main technical touchpoint customers have with hx. We need strong coding craft, clear communication under pressure, and the ability to move between technical depth and stakeholder conversations seamlessly.

Model Development

Model Development

We're a collaborative, highly technical team that works directly with customers to build production-grade pricing and reinsurance models in hx Renew. We translate legacy Excel models or design new ones from scratch, support customers to own and extend their models, and work across global carriers, reinsurers and specialist MGAs. This is high-stakes, customer-facing work where we're often the main technical touchpoint customers have with hx. We need strong coding craft, clear communication under pressure, and the ability to move between technical depth and stakeholder conversations seamlessly.

Model Development

We explain complex logic to actuaries, IT teams and C-suite alike.

Technical delivery with strategic consulting influence.

Show and tell culture: solve it once, share it with everyone.

Scaffolding at the start. Full ownership as we grow.

We translate between actuarial thinking and production code.

We work across Product, CS, Sales and Solutions Architecture daily.

How MDT is structured

One team - focused on rapid, agile delivery

One team - focused on rapid, agile delivery

Building and translating models

Wide range of pricing models across markets and lines. Some customers want speed. Others want transformation. AI-assisted tools speed up development, but the thinking and relationship-building are still ours.

Coaching and enabling customers

We deliver models and stay involved. We support customer teams to extend and maintain their own models, ensuring they can move confidently and independently once we've laid the foundation.

Sharing patterns across the team

Regular show and tell sessions mean we solve hard problems once, then share the solution. Clever model patterns become reusable components that accelerate future builds across all customers.

Model Development

IN practice

When we say

Model Development

at hx is different,

this is what we mean

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Working at the intersection of customer delivery and product

We translate complex pricing models - often built in Excel over years - into production-grade code that runs on the hx platform. We work directly with customer actuaries to understand their pricing logic, business rules and edge cases, then rebuild it in a way that's maintainable, collaborative and performs at scale.

Working at the intersection of customer delivery and product

We translate complex pricing models - often built in Excel over years - into production-grade code that runs on the hx platform. We work directly with customer actuaries to understand their pricing logic, business rules and edge cases, then rebuild it in a way that's maintainable, collaborative and performs at scale.

Working at the intersection of customer delivery and product

We translate complex pricing models - often built in Excel over years - into production-grade code that runs on the hx platform. We work directly with customer actuaries to understand their pricing logic, business rules and edge cases, then rebuild it in a way that's maintainable, collaborative and performs at scale.

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Building models that underwriters trust

We make code work in a way that matches how actuaries and underwriters think. This means maintaining transparency in rating logic, building clear audit trails, and ensuring models produce explainable results that underwriters can defend to regulators and reinsurers. The challenge is balancing technical efficiency with the need for actuarial credibility.

Building models that underwriters trust

We make code work in a way that matches how actuaries and underwriters think. This means maintaining transparency in rating logic, building clear audit trails, and ensuring models produce explainable results that underwriters can defend to regulators and reinsurers. The challenge is balancing technical efficiency with the need for actuarial credibility.

Building models that underwriters trust

We make code work in a way that matches how actuaries and underwriters think. This means maintaining transparency in rating logic, building clear audit trails, and ensuring models produce explainable results that underwriters can defend to regulators and reinsurers. The challenge is balancing technical efficiency with the need for actuarial credibility.

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Customer-specific implementations

Every customer's pricing approach is different - different perils, rating factors, regulatory requirements. We build tailored models for each insurer's book of business, working through their historical data, understanding their appetite and risk tolerances, and implementing logic that matches how they actually underwrite.

Customer-specific implementations

Every customer's pricing approach is different - different perils, rating factors, regulatory requirements. We build tailored models for each insurer's book of business, working through their historical data, understanding their appetite and risk tolerances, and implementing logic that matches how they actually underwrite.

Customer-specific implementations

Every customer's pricing approach is different - different perils, rating factors, regulatory requirements. We build tailored models for each insurer's book of business, working through their historical data, understanding their appetite and risk tolerances, and implementing logic that matches how they actually underwrite.

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Converting actuarial logic into production code

We sit between customer-specific implementation and platform capabilities. We identify patterns across customer models that should become platform features, share product requirements back based on real implementation challenges, and help shape how the hx platform evolves to support increasingly complex pricing needs.

Converting actuarial logic into production code

We sit between customer-specific implementation and platform capabilities. We identify patterns across customer models that should become platform features, share product requirements back based on real implementation challenges, and help shape how the hx platform evolves to support increasingly complex pricing needs.

Converting actuarial logic into production code

We sit between customer-specific implementation and platform capabilities. We identify patterns across customer models that should become platform features, share product requirements back based on real implementation challenges, and help shape how the hx platform evolves to support increasingly complex pricing needs.

Daniel Radigan

Senior Model Developer

outcomes

MDT’s playful use cases for hx Renew

Every technical new joiner builds and deploys a project inside hx renew, a way to learn fast, go deep, and show what’s possible from day one.

Wanting to explore how companies perform in the stock market, I built a model that uses real market APIs to analyze and compare financial data. It pulls live stock information, visualizes trends, produces comparison charts, and generates ICS calendar files. The project helped me deepen my understanding of hx renew by working with API calls, file generation, and CUIC visualizations on a topic I enjoy.

Narayan Kuleindiren

02/02

outcomes

MDT’s playful use cases for hx Renew

Every technical new joiner builds and deploys a project inside hx renew, a way to learn fast, go deep, and show what’s possible from day one.

Wanting to explore how companies perform in the stock market, I built a model that uses real market APIs to analyze and compare financial data. It pulls live stock information, visualizes trends, produces comparison charts, and generates ICS calendar files. The project helped me deepen my understanding of hx renew by working with API calls, file generation, and CUIC visualizations on a topic I enjoy.

Narayan Kuleindiren

02/02

outcomes

MDT’s playful use cases for hx Renew

Every technical new joiner builds and deploys a project inside hx renew, a way to learn fast, go deep, and show what’s possible from day one.

Wanting to explore how companies perform in the stock market, I built a model that uses real market APIs to analyze and compare financial data. It pulls live stock information, visualizes trends, produces comparison charts, and generates ICS calendar files. The project helped me deepen my understanding of hx renew by working with API calls, file generation, and CUIC visualizations on a topic I enjoy.

Narayan Kuleindiren

02/02

our team

Who you’ll build with

Those shaping what others won’t even try

No team members found for “Model Development”.

Could this be the place that changes your trajectory?
It might just be.

The patterns of our very best MDT people

They're comfortable in front of customers

Most of their time is on customer projects. They're often the main technical face customers see. They explain complex logic clearly and build trust with actuaries, IT teams and C-suite stakeholders under real pressure. They work directly with actuaries to understand pricing logic, business rules and edge cases, then rebuild it in a way that's maintainable, collaborative and performs at scale.

They develop production-grade code with care

Their code goes live with real underwriters supporting real business decisions. They develop from capable coder to building fully tested, maintainable models that hold up under scrutiny. This means attention to detail, clear documentation, and code that others can understand and extend.

They own outcomes, not just tasks

They stay involved beyond the initial build. They see projects through, support customers to extend their models, and take responsibility for whether the engagement succeeds or needs adjustment along the way. This means ongoing collaboration, not just handoff.

What the environment gives back

Scaffolding that grows with you

We start with strong support and senior partnership. As we grow, we lead engagements end to end and present at user groups. The team guides us to the edge of our comfort zone while owning the risk at leadership level.

Developing two skill sets together

Production-grade engineering and stakeholder collaboration under pressure. We learn how to write robust code and how to build trust with C-suite executives. Most people spend years building one or the other - we develop both simultaneously.

Learning across markets and relationships

We move between global carriers, specialist MGAs and complex reinsurance structures. We see how different markets price risk, how different customers work, and we build relationships and models that matter.

The Anatomy of an hxer

  • Ideas aren't identity

  • Takes ownership without waiting for permission

  • Comfortable with ambiguity

  • Ownership beyond role

  • Low ego, high standards

  • Bias for depth

  • Intellectually curious

  • Commercially aware

  • Self-disciplined

  • Ideas aren't identity

  • Takes ownership without waiting for permission

  • Comfortable with ambiguity

  • Ownership beyond role

  • Low ego, high standards

  • Bias for depth

  • Intellectually curious

  • Commercially aware

  • Self-disciplined

  • Ideas aren't identity

  • Takes ownership without waiting for permission

  • Comfortable with ambiguity

  • Ownership beyond role

  • Low ego, high standards

  • Bias for depth

  • Intellectually curious

  • Commercially aware

  • Self-disciplined

No perfect fit today? Let’s stay in touch.

Our talent pool is how we stay in touch with people we’d genuinely like to work with. You’ll hear about what we’re building, how our teams are evolving, and where new opportunities are emerging.

If hx might be a place you want to work in the future, you can join below.

Join our Talent Pool →

Featured resources

2025 State of Pricing Report

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© 2025 hyperexponential

QMS Certificate No. 306072018

© 2025 hyperexponential

QMS Certificate No. 306072018