
Simon Mueller developed end-to-end European Health Insurance Card (EHIC) integration for the a-sit-plus/valera repository, delivering a complete feature that enables compliant cross-border healthcare credential support. He designed and implemented new data models, adapters, and UI components in Kotlin and Jetpack Compose, allowing users to view EHIC credentials and their details. Simon migrated date handling to LocalDate for improved reliability and consistency, and introduced the EhicRepresentation model to streamline data management. His work included targeted refactoring to enhance code clarity and maintainability, establishing a foundation for future localization and UI improvements while adhering to Android development and code convention standards.

May 2025: Delivered end-to-end EHIC integration in a-sit-plus/valera, including data model changes, adapters, translations, and UI to view EHIC credentials and their details. Implemented an EHIC representation model and migrated date handling to LocalDate to improve reliability. Performed targeted refactors to improve clarity and maintainability. This work enables compliant cross-border healthcare support, improves data consistency, and establishes a foundation for localization and further UI enhancements.
May 2025: Delivered end-to-end EHIC integration in a-sit-plus/valera, including data model changes, adapters, translations, and UI to view EHIC credentials and their details. Implemented an EHIC representation model and migrated date handling to LocalDate to improve reliability. Performed targeted refactors to improve clarity and maintainability. This work enables compliant cross-border healthcare support, improves data consistency, and establishes a foundation for localization and further UI enhancements.
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