I’m a professional mobile app developer with 9 years of experience, specializing in Android, React Native, and Kotlin Multiplatform. Beyond coding, I’m passionate about writing articles and actively contributing to the open-source projects. My expertise spans a range of technologies, including: ➤ Android: MVVM, hilt, dagger 2, jetpack compose, coroutine, flow, workmanager, material design, architecture component, data binding, view binding, ktx libraries, google map, retrofit, shared preference, datastore, room, realm, push notifications, crashlaytics, lottie, glide, coil, pagination. ➤ Compose Multiplatform: Compose UI, ktor client, Koin, PreCompose, Compose Navigation, ViewModel, Bottom navigation, kotlin-serialization, coil, exoplayer, rest API, JSON manipulation. ➤ React-native: React hooks, redux-toolkit, redux-saga, redux-persist, zustand, rtk-query, react-navigation, axios, react-native-reanimated, react-native-paper, react-native-map, react-native-permission, rn-firebase, push notification, anycstorage, react-native-mmkv, flashlist, pagination. ➤ Language: Kotlin, JavaScript, Java. ➤ Testing: Unit testing [Junit4]. ➤ Payment gateway: PayJp, SSL wireless, portwallet. ➤ Version Control: Git, github, bitbucket. ➤ Review Server: Gerrit review server. ➤ Project Management: Jira, confluence, redmine, trello. ➤ Passion: Programming, Problem-solving, UI and UX. ➤ Blog: https://piashcse.blogspot.com ➤ Portfolio: https://piashcse.github.io