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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Developer (London Market Insurance) - **Company:** G MASS - **Location:** London, UK - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Application Performance Management, Microsoft Azure, C Sharp (Programming Language), Cascading Style Sheets (CSS), Mobile Application Development, Continuous Integration, DevOps, Distributed Systems, Github, JQuery, Python (Programming Language), Key Management, Microsoft SQL Server, OAuth, Scrum Methodology, SQL Stored Procedures, Systems Integration, Transact-SQL, Web Services, Datadog, Enterprise Software Applications, .NET Core, Spring Cloud, GitHub Copilot, Backend, Event Driven Architecture, Serverless Computing - **Published:** May 24, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=9370d2b836c5bdf9 ## About the Role Do you have experience in jQuery?, Do you have a Bachelor's degree?, * Strong hands-on experience integrating with the Verisk AnalyzeRe platform. * Production-grade Python development experience. * Strong experience with C#, .NET Core, Razor Pages, JavaScript/jQuery, HTML, and CSS. * Deep SQL Server and T-SQL expertise. * Experience building and supporting cloud-native applications in Azure and/or AWS. * Experience with REST/SOAP API integrations. * Understanding of OAuth 2.0, JWT authentication, and modern security principles. * Comfortable working within Agile delivery environments and collaborating across technical and business teams. Desirable Experience * Exposure management or catastrophe modelling experience. * Verisk AIR / Touchstone / Touchstone Re experience. * Moody's RMS RiskLink exposure. * Experience with observability tooling such as Datadog or Application Insights. * CI/CD pipeline experience using GitHub Actions or similar. * Familiarity with AI-assisted development tooling such as GitHub Copilot. * Relevant Azure or AWS certifications. ## Description A leading global specialty insurer is seeking a Senior Full Stack Developer to join a high-performing Enterprise Risk Management technology team, supporting critical exposure management and catastrophe risk platforms used across the London Market insurance business. This is a hands-on engineering role focused on both modern cloud-native development and the ongoing enhancement of a mature legacy application stack. The successful candidate will play a key role in the evolution of systems supporting portfolio aggregation, catastrophe modelling workflows, and enterprise risk analytics. The environment is highly collaborative, working closely with QA, DevOps, business analysts, Scrum Masters, and modelling teams in a fast-paced Agile setting., * Develop, maintain, and enhance enterprise applications supporting catastrophe risk and exposure management workflows. * Build and support backend and middle-tier services, APIs, and integrations. * Develop and maintain integrations with the Verisk AnalyzeRe platform, supporting portfolio roll-ups and reporting processes. * Write production-grade Python services and contribute across the wider full stack environment. * Design and optimise SQL Server databases, T-SQL queries, and stored procedures. * Deliver cloud-native services across Azure and AWS environments using serverless and event-driven architectures. * Support secure authentication, authorisation, and secrets management practices. * Troubleshoot complex production issues across distributed systems and cloud platforms. * Produce high-quality technical documentation and support CI/CD delivery practices. ## Related Videos - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [WeAreDevelopers LIVE - the weekly developer show with Chris Heilmann and Daniel Cranney](https://www.wearedevelopers.com/videos/1309-wearedevelopers-live-the-weekly-developer-show-with-chris-heilmann-and-daniel-cranney) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Meta Harnesses: What the JS Framework Wars Teach Us About What Is Next for AI Agents](https://www.wearedevelopers.com/videos/100353-meta-harnesses-what-the-js-framework-wars-teach-us-about-what-is-next-for-ai-agents) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) ## Related Articles - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)