Required Skills:
Strong experience with C# and .NET Framework 4.8 in production environments.
Hands-on experience with ASP.NET Web API 5.3 and ASP.NET MVC 5.2.
Solid understanding of RESTful services, SOAP/WCF, and system integration patterns.
Experience building Windows desktop applications using WinForms and/or WPF.
Proficiency with SQL Server and Entity Framework (EF 6.2 / EF Core 2.2).
Experience implementing the Repository Pattern for structured data access.
Practical knowledge of Windows Services and job scheduling with Quartz.
Familiarity with file-based integrations (XML, CSV), message queues, and FTP workflows.
Basic understanding of CI/CD practices and application containerization concepts.
Ability to troubleshoot legacy and distributed systems, analyse logs, and resolve performance issues.
Advanced English.
Nice-to-have Skills:
Experience working across both modern and legacy .NET applications within the same ecosystem.
Familiarity with maintaining long-running enterprise background services.
Comfort working with mixed integration patterns (API, file transfer, messaging).
Experience participating in modernisation or migration initiatives within .NET environments.
Hands-on experience with OAuth 2.0, IdentityServer3, ASP.NET Identity, and Azure AD.