AWS .NET Modernization & Migration Lead L2
Job Description
Senior SME – .NET Application Modernization
Location: USA – Remote
Job Summary
Seeking a highly experienced, hands-on Senior .NET Application Modernization SME to lead the modernization of legacy Microsoft-based applications. The ideal candidate will combine deep technical expertise in C#, VB.NET, .NET Framework, .NET Core/.NET, SQL Server, PostgreSQL, Docker, and Kubernetes with proven experience modernizing legacy Windows applications.
This is a hands-on technical role requiring active participation in design, coding, troubleshooting, migration, containerization, deployment, and production support. Candidates focused primarily on architecture or management without recent hands-on development experience will not be a fit.
Key Responsibilities
- Lead and execute modernization of legacy .NET and Windows-based applications.
- Perform hands-on development using C#, VB.NET, .NET Framework, and .NET Core/.NET.
- Assess legacy applications and recommend modernization, migration, and remediation strategies.
- Design and implement database solutions using MS SQL Server and PostgreSQL.
- Drive application containerization using Docker and Kubernetes.
- Modernize deployment and application hosting practices.
- Troubleshoot complex application, production, integration, and performance issues.
- Conduct code reviews and support deployments and technical implementation.
- Partner with business stakeholders, architects, customers, and delivery teams to drive technical decisions.
- Provide technical leadership while remaining actively involved in coding and implementation.
Mandatory Skills
- 12+ years of application development/engineering experience.
- Strong hands-on C# and VB.NET experience.
- Deep experience with .NET Framework and modern .NET/.NET Core.
- Strong hands-on MS SQL Server expertise.
- Strong hands-on PostgreSQL experience.
- Experience with Docker and Kubernetes.
- Proven Application Modernization / ATX Windows Modernization experience.
- Experience migrating or modernizing legacy Windows/.NET applications.
- Strong troubleshooting and performance-analysis skills.
- Excellent stakeholder management and customer-facing communication skills.
Source: the employer's careers page. Last checked 2026-10-18. Posted 2026-10-16.
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