Jan Mokracek enhanced localization and internationalization features across the Evolveum/midpoint and midpoint-localization repositories, focusing on expanding language support for non-English users. He updated backend data structures and configuration logic in Java and properties files to support Arabic, Korean, Dutch, and Ukrainian in lookup tables, enabling broader user accessibility. Jan also introduced Arabic language configuration, integrating locale-aware options and a language picker into the user interface. His work involved cross-repository alignment of data models and configuration, demonstrating skills in backend development, database management, and i18n engineering. The changes improved multi-language support and laid groundwork for future market expansion.