Spring Security Roles Debugging for API

I need an experienced developer with strong Spring Security expertise to help me debug my RESTful API's authorization issues. I've been encountering problems specifically with the authorization component of my project.

Key Tasks:
- Identify and resolve the authorization errors occurring within the API
- Ensure that the endpoints and resource access are appropriately secured and only accessible to users with the correct permissions
- Conduct a thorough analysis of the existing Spring Security roles implementation

Skills and Experience:
- Proven expertise in Spring Security, particularly in the context of RESTful APIs
- Strong understanding of role-based access control and authorization mechanisms
- Experience in debugging and troubleshooting security issues in Java applications
- Familiarity with the nuances of securing specific API endpoints and resource access is highly desirable