- Android Native Developer
- Exoplayer (Video & Audio)
- AAC, Jetpack, Kotlin and Java
- Incheon National Univ. - Master degree of Computer Science and Engineering
- ONE store corp. - Android developer (23.12 ~ ing)
- iMBC - Android developer (21.04 ~ 23.12)
- Android
- Kotlin and Java
- Exoplayer(Video & Audio), In-app purchase, MVVM, MVP, AAC, Jetpack, Coroutine, Retrofit2, Glide and etc..