Worked on stabilizing UI behavior and improving compatibility across two major repositories. In cashapp/redwood, addressed layout reliability for iOS by updating Kotlin code to ensure top-level flex containers correctly invalidate their intrinsic content size, resolving edge-case glitches in nested UI scenarios. In square/okio, focused on dependency management by upgrading to kotlinx-datetime 0.7.0, adapting APIs and introducing a secondary constructor to maintain backward compatibility and minimize migration effort for downstream users. Demonstrated proficiency in Kotlin, layout management, and API updates, with a focus on maintainability and user experience through targeted bug fixes rather than new feature development.