Company Overview Our client is a well-established global (re)insurance group with a strong track record of underwriting performance and claims service excellence. Operating across key international markets, they offer a broad portfolio of property and casualty insurance products. In the UK, the business serves a wide range of commercial clients and operates through a Lloyd’s-based platform, with a focus on specialist and complex risks. Known for their commitment to innovation, they are actively investing in the modernisation of their technology stack to support growth and long-term capability. The Role We are seeking an experienced .NET Architect to join the technology team of a leading insurance organisation. This is a permanent role with long-term potential, suited to a technically hands-on architect who can take ownership of design and development across multiple business-critical platforms. You’ll play a key role in delivering modern, scalable solutions using the latest Microsoft technologies, working in close collaboration with internal development teams, business stakeholders, and third-party providers. The role demands a deep understanding of application architecture, excellent technical design skills, and the ability to contribute across the software development lifecycle. Key Responsibilities Architect, design, and develop high-quality modules and applications using ASP.NET and .NET Core Lead the technical direction of projects, ensuring scalability, maintainability, and performance Collaborate with stakeholders across business and technology to define solution approaches Integrate third-party systems and services, ensuring smooth interoperability Support deployment activities, including documentation and post-release support Contribute to code reviews, technical standards, and Agile development practices Troubleshoot and resolve production issues when required Essential Skills & Experience In-depth expertise in ASP.NET (version 3.1 or higher) and .NET Core Familiarity with insurance domain applications or platforms (London Market experience strongly preferred) Full-stack development experience with a strong command of front-end technologies including React.js, HTML5, CSS3, JavaScript, Ajax Substantial hands-on experience with IIS and system integration Strong understanding of architectural patterns and best practices in enterprise software design Experience working within Agile teams, with a focus on delivery and quality Ability to communicate effectively with both technical and non-technical stakeholders Desirable Skills Experience with any Policy Administration System (PAS) Knowledge of Azure-based deployment and cloud-native development Exposure to AdvantageGo Subscribe (not essential but a bonus) Previous experience working in a client-facing or on-site capacity