.NET Developer with GraphQL Expertise Needed

I'm looking for a seasoned .NET developer with a robust understanding of GraphQL to assist in maintaining my existing application. While I've not pinpointed specific maintenance needs yet, the ideal candidate will be proactive in identifying areas for potential bug fixes, performance enhancements and feature updates.

Skills and Experience Required:
- Extensive experience with .NET
- Strong knowledge and experience with GraphQL
- Proven track record in application maintenance
- Ability to identify and rectify bugs
- Skills in performance optimization
- Competence in implementing feature updates