Software Engineer Back End

London Permanent - Full Time

On Site

The Fidelis Partnership is a leading privately-owned, Bermuda-based Managing General Underwriter, which, through its subsidiaries, is a global underwriter of property, bespoke and specialty insurance and reinsurance products. The Fidelis Partnership is one of the largest Managing General Underwriters globally and its operations also include outwards reinsurance, claims handling, exposure management and portfolio analytics. The Fidelis Partnership also sponsors and incubates specialist MGAs through its Pine Walk platform. The Fidelis Partnership is separately owned and managed from the ownership and management of Fidelis Insurance Group.

Across product lines and geographies, we focus on three diversified pillars: reinsurance, specialty and bespoke solutions. We are truly diversified. Our long-standing partnerships with capital providers and quota share partners make us nimble. Our breadth of expertise and capabilities deliver outstanding market returns.

The Actuarial Analytics Development team at The Fidelis Partnership (TFP) builds and manages a bespoke analytical platform that powers our partnership-driven business model. We combine actuarial expertise with advanced technology to deliver innovative, scalable solutions.

Reporting to the Senior Software Engineer, the Software Engineer will be responsible for the design, implementation, and maintenance of innovative software and processes, as part of the loss modelling tools.

The successful candidate must be able to effectively communicate and collaborate with other teams such as Development, Project Management, Exposure Management, and Actuarial.

The engineer must be experienced with software development lifecycles, translating user requirements into efficient long-lasting code, as well as production-grade data wrangling / analysis pipelines.

Development of the ecosystem within the proprietary modelling platform at The Fidelis Partnership, with a focus on the back-end calculation engine, under the guidance of the senior engineers

Designing and developing robust tools, reusable data analysis pipelines, and reliable data to be used in internal/external reports

Liaising with Project Management, Exposure Management, Actuarial and Risk teams to thoroughly understand user requirements, demonstrating a continual focus on long term effectiveness, simplicity of solutions, and appropriate controls

Maintaining and upgrading legacy code bases

Providing traceability for the development progress on a project management system

Effective regression testing and documentation to mitigate business risks including key person dependencies

Support the wider development team with ad-hoc tasks as required

Develop a thorough understanding of our industry and our products and services

Stay up-to-date on the latest advancements in software engineering technologies and best practices

University Degree in Software Engineering, Mathematics, Physics, or a related field

3 years of (re)insurance industry experience.

3 years of experience with SQL databases; large dataset and Microsoft SQL Server / Azure / Fabric preferred

2 years of experience with parallelised / distributed programming using a high-performance computing environment

2 years of experience using version control systems in a team, git preferred

Demonstrated ability to implement complex mathematical concepts in production, such as numerical methods, linear algebra, statistics, and algorithms

Experience with Julia language preferred

Strong understanding of actuarial concepts is a plus

Ability to work in a fast-paced, agile development team environment

Occasional overtime during busy periods, including weekends and public holidays

The Fidelis Partnership Ethos

At The Fidelis Partnership, we aim to be different while making a difference.

We set the standard for quality in our industry. Guided by our expertise, our clients can take unique and material risks with confidence.

Our approach is tailored and designed to deliver excellence for our clients. We are trailblazers, creating unique solutions in the (re)insurance space.

We are experts. Our brokers and clients value the depth of our knowledge and experience. We leverage state-of-the-art underwriting technology to be a market leader.

We believe sound ethics make for good business. We deliver value for our customers, investors and communities while actively avoid trading with industries that cause harm to people, the environment and animals.

We pride ourselves in creating a workplace that prizes execution, meritocracy, Diversity \& Inclusion. Our people herald from countless backgrounds and are united by ambition and the unabashed desire to deliver excellence every day. We provide a competitive environment that helps people cultivate themselves professionally and personally and balance a rigorous workplace with a mindset that prioritises environmental and charitable activities in our communities worldwide.

Our ethos dictates our decisions and actions. It unites us as a team of experts and colleagues and provides us with a compass for ensuring we deliver our best to every stakeholder we serve.

Diversity, Equity \& Inclusion

Diversity \& Inclusion in the workplace

Insofar as possible, we aim to ensure the composition of our workforce reflects the make-up of the local community

We have specific programmes in all our offices to support diversity within the hiring process, e.g. internship and scholarship award programmes

This is a particular focus in Bermuda, where we engage actively with local organisations to source diverse talent and provide coaching/mentoring for underrepresented groups

We aim to maintain a focus on equal opportunities across all stages of hiring process

We measure and minimise the pay gap where possible.

Bring Your Whole Self to Work

Our vision is for a workplace culture where differences are valued and where diversity of background, experience and thought are welcomed. We want to create an environment where all employees, regardless of who they are, are given equal opportunities for career progression and enjoy fair reward from their and The Fidelis Partnership's successes. This will be driven by a workforce that embraces Diversity \& Inclusion at every level, in every department across The Fidelis Partnership.

To ensure that all candidates have a fair opportunity to show their abilities during the recruitment process, adjustments may be required. If your physical or mental health or disability may necessitate an adjustment, please contact fidelis@avenciaconsulting.com to discuss. All information relating to your health or disability will be treated in accordance with our data protection policy.

Apply by 23/03/2026

Reference: FID01820