Hello, I'm Bae Hoon, a mobile developer with 5 years of experience. A company called NAYEON Tech researched and developed a mobile app for sleep care-related sleep mats and sleep eye patches. I made it using the wrong one. In addition, an automatic check-in mobile app called the access control system was developed using Flutter. A company called Diabion, which joined the company in 2023, developed and managed mobile medical kit analysis. Analyzing qualitative and quantitative medical kits such as COVID kits and vitamin D kits to users through mobile without specialized medical devices. We developed a mobile Android to provide services on mobile phones. The main development language used is kotlin for Android native, dart for java flutter app development. All. In Android, I have experience in developing by applying mvm architectures such as Jetpack Compose and Navigation. Flutter used Provider and GetX design patterns, mainly communicating with Rest APIs to configure the flow and screen of the app has been developed. In addition to mobile, I have experience in Vue development and React development using Nuxt3, so I have experience in developing web and mobile at the same time.