About this role

End-to-end software delivery (build, change and improve)
Design, develop, test, and maintain C#/.NET applications
Support live systems through issue diagnosis, root cause analysis, and preventative fixes
Assist with migrating IIS-hosted applications to Azure App Services
Apply secure coding practices (access control, configuration, secrets handling)
Support team capability through code reviews, pairing, and knowledge sharing

Senior-level .NET engineering experience
Strong commercial experience developing and supporting production systems using C# and the Microsoft .NET stack
Experience building web applications with ASP.NET Core
Hands on experience maintaining legacy ASP.NET applications (MVC)
Experience with Blazor Server and/or structured component approaches
Familiarity with Microsoft SQL Server and SQL object development
Experience designing and consuming APIs
Strong focus on code quality, maintainability, and clear technical communication
Experience supporting live systems, troubleshooting incidents
Practical experience implementing authentication/authorisation using Microsoft identity platform / Entra ID
Security-conscious approach to development

Senior .NET Developer

Key skills