G MASS

Full Stack Developer - London Market Insurance

🇬🇧 London, GB Hybrid IT Contract Posted Apr 23, 2026
LocationLondon, GB
WorkplaceHybrid
EmploymentContract
CategoryIT
IT CategoryFull Stack Engineer
PostedApril 23, 2026
Last verifiedMay 6, 2026

We are supporting a global speciality insurer on the hire of a Senior Full Stack Developer to join a critical technology programme focused on modernising a legacy platform while delivering new cloud-native services.

This is a hands-on engineering role, working across both legacy systems and modern cloud architecture in a highly collaborative, agile environment.

Key Responsibilities

  • Maintain and enhance existing legacy applications, including refactoring where required
  • Design, build and support backend services and API integrations
  • Troubleshoot complex, end-to-end production issues
  • Develop and optimise SQL / T-SQL queries and database structures
  • Build and deploy cloud-native services across Azure and/or AWS
  • Implement secure authentication and integration patterns (REST / SOAP)
  • Support CI/CD pipelines and contribute to DevOps best practices
  • Collaborate with QA, DevOps, and business stakeholders to deliver incremental improvements

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