AFL to DLL Conversion with Licensing

I need an expert to convert my existing AFL file to a DLL file in I already have the source code for the original AFL file. The converted DLL must include a robust license manager that supports both time-based expiration and feature-based access.

Key requirements:
- Convert existing AFL file to a DLL using .NET
- Implement a sophisticated licensing system
- Include time-based expiration feature
- Include feature-based access control

Ideal skills:
- Proficiency in .NET programming
- Experience in converting code from AFL to DLL
- Strong understanding of licensing systems
- Ability to implement time-based expiration and feature-based access features