Contributed to the vaadin/hilla and quarkusio/quarkus repositories by focusing on backend modernization and documentation quality. In vaadin/hilla, refactored the Hilla hotswapper to align with the Vaadin 25 API, improving modularity and future upgrade paths, and updated dependency management through package-lock.json for enhanced stability. In quarkusio/quarkus, addressed a documentation bug by correcting Javadoc references for BuildException, ensuring accuracy and reducing developer confusion. Demonstrated proficiency in Java and JavaScript, with a technical approach centered on maintainability, precise dependency management, and clear documentation. Work emphasized targeted, low-risk changes that improved codebase clarity and long-term maintainability.