Jesper focused on code quality improvements in Julia-based projects, contributing to both mossr/julia-utilizing and JuliaDocs/Documenter.jl. Over two months, Jesper delivered targeted code cleanup and refactoring, such as removing unused variables and structs to streamline the codebase without altering functionality. By leveraging skills in code refactoring and cleanup, Jesper enhanced maintainability and readability, reducing technical debt and supporting future development. All changes were validated against existing test suites to ensure stability for downstream users. The work demonstrated disciplined use of Git for traceability and maintained a high standard of reliability, emphasizing sustainable engineering practices in Julia development environments.