Oleh Brazhnichenko contributed targeted UI enhancements to the reportportal/service-ui repository, focusing on improving the Manual Launches List component. He addressed usability issues by refining CSS and SCSS to stabilize header alignment and enhance row selection feedback, resulting in a more consistent and readable grid across devices. His work specifically reduced mis-clicks and streamlined manual launch workflows by ensuring reliable visual cues and layout stability. The changes were completed in collaboration with another developer and successfully merged. Over the course of one month, Oleh applied his skills in front end development, UI design, and CSS to deliver a focused, well-scoped feature.