Senior Developer

Senior ERM / Exposure Management Developer (Contract) Location: London - 2 days per week in 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 the 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.