.Net (C#) Upgrade

Currently using .Net Framework 4.5 and looking to upgrade project. The main goal for this upgrade is to ensure compatibility with modern systems. I don't require any specific performance improvements, just upgrading the framework is the main focus. The code base is for a Web API that integrates with SQL Server. There is a separate UI front end that is not included.

The current version is .Net Framework 4.5 with the following target techical Stack
• ASP.NET Core 8.0 (with .NET 8.0)
• ASP.NET WebApi Core
• ASP.NET Identity Core
• Entity Framework Core
• FluentValidation
• Swagger UI
• GIT

Key requirements:
- Expertise in C#
- Strong understanding of .Net architecture
- Previous experience in upgrading .Net projects to ensure compatibility with modern systems.

Skills:
- .Net Framework
- C#
- Software Architecture
- .Net Upgrade Experience

This is an initial project with additional larger projects potentially in the future based on the success of this initial project.