ASP.NET Core Application Enhancement

I'm looking for a skilled developer to add new functionalities to my existing ASP.NET Core application. The primary goal of this enhancement is to increase the overall efficiency of the system.

Key tasks include:
- Developing and integrating a user registration and login system
- Implementing data reporting and analytics tools
- Enhancing the overall system efficiency

Ideal skills and experience:
- Strong background in ASP.NET Core
- Proficiency in developing user registration and login systems
- Experience with integrating external APIs
- Proven track record in data reporting and analytics
- Previous work that highlights a focus on system efficiency