Maksym Nevmerzhytskyi focused on improving reliability and stability in the SpaceToStudy-Client repository by addressing a runtime error in the FileUploader component. Using React with JavaScript and TypeScript, he removed the size and variant props from FileUploader, aligning its interface with the expectations of child elements and preventing error propagation. This targeted cleanup not only resolved the immediate runtime issue but also simplified the component’s usage for downstream developers. The work enhanced maintainability and reduced the surface area for future bugs, laying a foundation for smoother integration of file upload features in subsequent development cycles.