Jobs → Engineering → Application Modernization & Security Remediation .NET Developer

About the Role We are seeking a Senior .NET Developer to focus on application modernization and security remediation within enterprise environments. This role involves converting legacy applications to modern .NET frameworks while addressing security vulnerabilities and supporting production deployments. Key Responsibilities • Remediate application security vulnerabilities and production issues • Modernize legacy Classic ASP applications by converting them to .NET • Support Windows Server migration/repave activities and production deployments • Integrate enterprise cryptographic/security solutions and support PQC readiness initiatives • Execute and support SQL Server migration activities, including schema, data, and connectivity validation • Perform functional, regression, and post-deployment testing Requirements • 12+ years of experience as a .NET engineer • Strong experience in legacy application modernization (Classic ASP to .NET) • Expertise in security remediation, SQL Server migrations, and production support • Proficiency in C#, .NET Framework, ASP.NET MVC, ASP.NET Core, and Web API • Experience with IIS, Windows Server, and enterprise cryptographic solutions • Knowledge of OWASP, secure coding practices, and production deployment processes