Senior ERM Developer - Inside IR35 - Reinsurance

Senior ERM / Exposure Management Developer

Location: London - 2 days per week into the City of London

Day rate: 750 Inside IR35

Duration: 6 months (potential extension)

A global (re)insurance organisation is seeking a Senior Full Stack Developer to support and enhance enterprise ERM / Exposure Management platforms. This contract role focuses on maintaining and modernising legacy systems while building backend services and integrations within a highly specialised risk environment.

Key Responsibilities

• Develop and enhance full‑stack applications, including new features and system improvements
• Support and refactor legacy platforms, ensuring performance, scalability and stability
• Troubleshoot complex production issues across business‑critical systems
• Design and integrate REST APIs and third‑party services, including exposure/cat modelling tools
• Collaborate with business and technical stakeholders in an agile delivery environment

Key Experience Required (Essential)

• Proven experience within (re)insurance environments
• Hands-on experience in Exposure Management / catastrophe modelling platforms, including working with modelled risk at account or portfolio level
• Experience integrating with catastrophe modelling tools or APIs (e.g. AIR Touchstone, RMS, Analyse Re)
• Strong full stack development experience (Angular, JavaScript/jQuery, Python or C#) [
• Solid knowledge of SQL Server and T-SQL, with strong debugging and optimisation skills

Desirable

• Experience with cloud platforms (AWS/Azure) and DevOps tooling
• Familiarity with agile delivery and modern development practices

Please note: This is a specialist role - candidates must have prior experience within (re)insurance and exposure/catastrophe modelling environments to be considered.

Work at the heart of global risk systems-where your experience with exposure and catastrophe modelling will be genuinely valued and put to immediate use.