In September 2025, Khaled Faraj developed arithmetic operators for PaddingValues in the androidx/androidx repository, enhancing Compose UI’s layout flexibility. He implemented Kotlin operator overloads to support addition and subtraction of padding values, streamlining responsive UI development and reducing boilerplate code. Khaled ensured robustness by writing comprehensive unit and instrumentation tests, integrating the changes with existing Compose foundation layout tests and CI workflows. His work included a release note entry for traceability and addressed a related bug fix. Throughout the project, Khaled demonstrated proficiency in Android development, Kotlin, and UI development, delivering a focused and well-tested feature within one month.