Backend .NET AI Integration

I am starting a new project that revolves around ASP .NET Core 8 (C# 12). The priority is pure backend work: designing and coding a robust API layer that will let intelligent agents plug into our existing business systems in real time... (Budget: $30 - $250 USD, Jobs: .NET, .NET Core, AI Integration, API Development, ASP.NET, Backend Development, C# Programming, Microsoft SQL Server, Model Context Protocol (MCP), Software Architecture)