Android Engineer at Toss
Working with Kotlin, React Native and Compose Multiplatform.
Blog · LinkedIn · Instagram · About me · Resume EN / KO
- Toss · Android Engineer, React Native Framework Team, Client Platform Tribe · Jul 2024–present
- Android(React Native) Engineer, React Native Framework Team, Client Platform Tribe · Jul 2024–Aug 2026
- Android Engineer, AppsInToss Foundation Team · Aug 2026–present
- Mathpresso · Apr 2021–Jul 2023
- Android Engineer, QANDA
- React Native Engineer, QANDA Tutor
Maintaining:
- jindong · Cloudy
- granite
- react-native-nitro-device-info · react-native-nitro-cookies · react-native-buffered-blob
Other contributed projects
- Jindong: Introducing Declarative Haptics in Jetpack Compose · COSCUP 2026 X Ubucon Asia · Slides
- How Android Uses Data Structures Behind the Scenes · DroidKaigi 2025 · Slides / Video
- Essential concepts to know when learning Declarative UI · DroidKaigi 2024 · Slides
All talks & workshops · 2023–2026
- Build with AI on Android 2026
- Agent, Koog Koog 하세요 - Kotlin으로 만드는 AI 코드리뷰 Agent - CodeLab
- 2026 Build with AI: Hands-on Campus (GDG Campus Korea)
- 5월부터 과제는 에이전트에게 맡기고 대학생활 즐겨보기(feat. Kotlin) - CodeLab
- COSCUP 2026 X Ubucon Asia (Taiwan)
- Jindong: Introducing Declarative Haptics in Jetpack Compose - SpeakerDeck
- FEConf 2026
- 우리의 Nitro Module은 당신의 Native Module보다 아름답다
- DroidKnights 2026
- 선언형 햅틱 라이브러리 "진동"을 소개합니다
- Build with AI on Android 2025
- 파급효과: From AI to Android Development - SpeakerDeck
- I/O Extended Incheon/Busan 2025
- Understanding Kotlin Multiplatform - SpeakerDeck
- DroidKaigi 2025
- How Android Uses Data Structures Behind the Scenes
- GDG Devfest Incheon 2025/KUG Seoul KMP Meetup
- Metro로 KMP에서 의존성 주입 사용하기 - SpeakerDeck
- Original: Navigating Dependency Injection with Metro - Zac Sweers
- Thanks for great contents, Zac Sweers!
- Metro로 KMP에서 의존성 주입 사용하기 - SpeakerDeck
- DevFest Android in Korea 2024
- 선언형 UI를 학습할 때 알아둬야하는 키워드들 (ver.한국어) - SpeakerDeck
- DroidKaigi 2024
- Essential concepts to know when learning Declarative UI(선언형 UI를 배울때 알아둬야 하는 필수 개념들)
- HYPER-APP 2024 (KSDC)
- React Native under the hood - SpeakerDeck
- I/O Extended Android in Korea 2024
- 유연한 Composable 설계 - SpeakerDeck
- KotlinConf'24 Global in South Korea
- Keynote - SpeakerDeck
- DroidKnights 2024
- TextField 씹고 뜯고 맛보고 즐기고
- super.init(version=5)
- C.D.G로 모두와 함께 성장하기 - SpeakerDeck
- super.init(version=4)
- 선언형 UI가 대세임을 "선언" 합니다. (Compose 학습부터 적용까지의 일대기) - SpeakerDeck
- KotlinConf'23 Global in Songdo
- Functional Kotlin makes Kotlin functional - SpeakerDeck
- Mobile App Developer Conference
- Jetpack Compose - 실무에 발라보기 (Jetpack Compose in Practical Way) - SpeakerDeck
- GDG Devfest Songdo
- fun HelloKMP(): GladToMeetYou - SpeakerDeck
Organizer at Kotlin User Groups Seoul, GDG Korea Android, and CodeRabbit Korea User Group.
Community & mentoring history
- CodeRabbit Korea User Group · Feb 2026–present
- GDG Korea Android · Jan 2025–present
- Kotlin User Groups Seoul · Jul 2023–present
- GDG Incheon · Jul–Dec 2024
- GDSC Konkuk University · Lead · Jul 2023–May 2024
- 38th SOPT Appjam - Mentor (Android Development)
- 37th SOPT Appjam - Mentor (Android Development)
- 36th SOPT Appjam - Mentor (Android Development)
- 5th SOPT Makers - Android Developer (2024)
- 2nd SOPT Makers - Android Chapter Lead (2023)
- 1st SOPT Makers - Android Developer (2022)
- 31st SOPT Android Development - Part Leader (2022)
- 30th SOPT Server Development (2022)
- Winner of Android Dev Challenge using Jetpack Compose(Week1) (2021)
- 28th SOPT Android Development (2021)
- 27th SOPT Android MVP (2021)
- 27th SOPT Android Development (2020)
- 26th SOPT Android Development (2020)
Education · Konkuk University, Computer Science & Engineering · 2018–2025
My GitAnimals farm