Michal Janczak worked on Polish localization and UI accessibility enhancements for the TriliumNext/Trilium repository, focusing on expanding the application's reach to Polish-speaking users. He delivered comprehensive Polish translations for user interface elements, including highlights configuration and search functionality, using JSON and Weblate as core technologies. His approach integrated new strings into the frontend, ensuring seamless internationalization and improved onboarding for non-English users. By achieving 99.6% translation coverage, Michal demonstrated a strong grasp of localization workflows and translation tooling. The work addressed accessibility challenges and contributed to a more inclusive user experience, reflecting depth in frontend development and i18n integration.