Backend Developer for PDF/A3 Integration

I am in need of a skilled backend developer with expertise in C# and Delphi UNIGUI, who can help integrate PDF/A3 functionality into my project. The majority of the work will involve converting existing PDF files to PDF/A3 and validating their compliance.

Key Responsibilities:
- Convert existing PDF files to PDF/A3
- Validate PDF/A3 compliance

Ideal Skills and Experience:
- Proficient in C# and Delphi UNIGUI
- Extensive experience in backend development
- Familiarity with REST API and HL7 Medical protocol
- Prior experience with PDF/A3 functionality
- Strong attention to detail for compliance validation

I am looking for a professional who can deliver high quality work in a timely manner.