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Senior Full Stack Developer (London Market Insurance)
Role summary by JobGrid
Senior Full Stack Developer (London Market Insurance) at G MASS: London, United Kingdom; Hybrid; Contract; IT; Full Stack Engineer. This listing is part of JobGrid's Software engineer jobs from public company career pages. JobGrid adds normalized role facts, source context, and a path to the employer application page so candidates can compare the listing before applying.
- Location and workplace: London, United Kingdom, Hybrid
- Role classification: IT, Full Stack Engineer, Contract
- Source freshness: checked by JobGrid on 2026-06-03.
- Application path: candidates continue to the employer application page with non-personal referral tags.
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.
Key Responsibilities
- 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.