A Interface Developer designs, develops, tests, and maintains interfaces for healthcare applications using Health Level () protocols, which standardize electronic health information exchange. Responsibilities include mapping data flows, troubleshooting interface issues, and ensuring data integrity and security. They work closely with healthcare professionals, IT staff, and vendors to customize interfaces to meet specific needs. Their work is crucial in improving patient care, as it enables seamless communication between different healthcare systems, ensuring accurate, timely access to patient data. They also need to stay updated with the evolving standards and healthcare interoperability requirements.