Worked on the aws-amplify/amplify-flutter repository to address a stability issue affecting Android applications using Flutter. Delivered a targeted bug fix that resolved an UninitializedPropertyAccessException crash in the DataStoreHubEventStreamHandler, which occurred when amplify_datastore was included but not actively used. The solution involved implementing Kotlin-based null-safety checks to guard against uninitialized property access, thereby improving the reliability of DataStore integration for Android builds. This change reduced user-facing crash reports and eased support demands for projects referencing DataStore. The work demonstrated proficiency in Android development and Kotlin, with a focus on robust error handling and plugin initialization reliability.