Worked on modernizing JSON handling within the home-assistant/android repository by replacing the legacy org.json library with kotlinx.serialization. This migration aimed to improve type safety, reduce boilerplate, and enhance runtime reliability in the Android component of the project. The approach focused on adopting Kotlin serialization to streamline data parsing and minimize potential errors, aligning with broader modernization goals. Collaborated closely with a co-author to ensure a smooth, low-risk transition that maintained product stability. The work emphasized code quality and future maintainability, leveraging skills in Android development, Kotlin, and serialization without introducing major bugs or disruptions during the feature rollout.