Antonia Matisova contributed to the Evolveum/midpoint and midpoint-localization repositories by enhancing password management flows and expanding data export capabilities. She improved the password input UI and validation logic, modularizing JavaScript code for maintainability and refining audit logging for clarity. In data export, Antonia consolidated CSV, XLSX, and ODS export features, streamlined the UI with dropdowns and confirmation prompts, and introduced a common parent class to reduce code duplication. Working primarily with Java, JavaScript, and XML, she also improved task panel usability and addressed export messaging reliability. Her work demonstrated thoughtful backend and frontend engineering within a short project period.