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ANDROID APPLICATION DEVELOPERInquisitive and solution-oriented software engineer with extensive experience tackling complex problems to find optimal solutions. Highly adaptable and analytical individual who engages with cross-functional teams to deliver results. Demonstrated ability to combine vision, big picture understanding, technical expertise, and focus on needs to build relationships and achieve delivery satisfaction. Experienced with developing highly rated Android applications and authoring numerous guidebooks for Android users.PROFESSIONAL SUMMARY8+ years of experience as an Android application developer in Architecture, UI/UX, Development, and Documentation.20+ years of experience as a computer programmer in Android, Visual C++, Hybrid App, and Tizen.Wrote 7 programming guidebooks on Android, Java, Hybrid App, Visual C++, Tizen.Developed 10+ Android applications and registered 7 in Google Play Store.Experience supporting various screen resolutions for both phone and tablet.Experience in AGILE-Scrum methodologies of software development and source code version management with Git.AREAS OF EXPERTISEApplication Architecture (MVP, MVVM, OOP) & Development UI/UX Design Technical Writing & Documentation Unit Test AGILE-Scrum Methodologies Source Code Version Management Project ManagementTECHNICAL SKILLSFrameworks: Android (8+ years) Android Auto (2.5 years) Visual C++ (8 years) Tizen (2 years) HTML5 CordovaLanguages: Kotlin (4+ years) Java (4 years) C++ (10 years)JetPack: ViewModel DataBinding LiveData Navigation RoomDatabase: Room SQLite Database Oracle 9iProject Managing: TFS JIRA Rally MS ProjectDomains: Automation Online-shopping Banking Stock-Chart Electric Wave Detection Home Internet Service GamingIDE tools: Android Studio Eclipse Visual StudioVersion Control: Git Bitbucket Github Sourcetree SVNUnit Test Tools: JUnit Mockito Espresso MockKPush Message: FCM GCMDesign Pattern: MVP MVVM OOP (Object Oriented Programming)Thread: AsyncTask RxJava CoroutineServer Communication: Rest API Retrofit2 OKHttp Parsing XML & JSON3rd party libraries: DragNDropList Facebook login Glide Zxing barcode scannerWireless Communication: Bluetooth NFC TagAndroid Versions: 2.3 Gingerbread ~ 13.0 Tiramisu (API 33)Creating Custom Controls: Picker control Chatting timeline controlEXPERIENCEGeneral Motors, Detroit, MI February 2023 February 2024Android System Application DeveloperImplemented downloading and installation process of APK using Kotlin, RestAPI, Coroutine.Implemented UI of AppShop Android application for GM vehicles.Tools: Android Auto, SQLite, MVP, Dagger2, Git, Gerrit, Agile-Scrum, Jira.Comcast July 2021 December 2022Xfinity Android Mobile Application DeveloperImplemented UI of Android Xfinity applications account management screens using ConstraintLayout and RecyclerView.Implemented the process of communication with server using Kotlin, Retrofit, and Coroutine.Implemented architecture using MVVM design pattern, DataBinding, ViewModel, LiveData and Repository.Implemented UnitTest using JUnit, Mockito and Espresso.Tools: Android, MVVM, Dagger2, Room, MD5, AES256, Git, GitHub, Agile-Scrum, Rally.General Motors, Detroit, MI July 2019 February 2021Vehicle management Android application developerImplemented UI of vehicle management Android applications.Implemented the process of communication with server using Java, Kotlin, Retrofit, MVVM design pattern, and Coroutine.Implemented custom controls (Picker & Chatting timeline) using Canvas API.Tools: Android Auto, MVP design pattern, Presenter, Dagger2, Retrofit, Git, Bitbucket, Agile-Scrum, TFS.AR Technology, South Korea August 2015 July 2017Lead Android application developerDeveloped whole part of Android applications (Lotte Market Mobile app & Stock market Smart watch app & Auction mobile app) including architecture, UX, network, and local SQLite DB. Supported other developers by teaching techinical knowleadge and doing code review on BlueCanvas project (Media Player IOT device development).Tools: Android, Java, OKHttp, WebSocket, SQLite Database, GCM, FCM, HTML5, Cordova, KOSKOM Stock API, Google Fit, Zing Barcode reader, Bluetooth printer, SVN.Onycom, Seoul, South Korea December 2012 February 2015Mobile application developerDeveloped whole part of Android applications (Asset management & Factory process management applications for Samsung Electronics) including architecture, UX, network, and local DB.Tools: Android, Java, OKHttp, SQLite Database, Tizen, HTML5, JIRA, SVN.ADDITIONAL RELEVANT EXPERIENCENara Information Technology, Seoul, South Korea January 2001 Jun 2012Mobile application developerDeveloped Stock chart Windows application, Electric wave detection system, Radio broadcast managing system, and Multiple custom controls on Visual C++.Tools: Visual C++, TCP, UDP, Canvas API, Oracle 9i, SVN.EDUCATIONBachelors DegreeKyungpook University in South KoreaCERTIFICATIONInformation Processing Engineer 1st in South KoreaPUBLICATIONSAndroid 2D Game programming with Java (Publisher: Amazon)https://www.amazon.com/dp/B0BVC8MXKBJAVA coding with Android programming 1 (https://www.amazon.com/dp/1729025323) / 2 (https://www.amazon.com/dp/1731528353) / 3 (https://www.amazon.com/dp/1791759505) / 4 (https://www.amazon.com/dp/1793083274) (July 2018 October 2018)JAVA language programming guidebook for middle or high school students. (Publisher: Amazon)[e-Book] Guide to Developing Tizen Native Application (https://cslab.cbnu.ac.kr/board/bbs/board.php?bo_table=libfaq&wr_id=147&page=9) Agu.2015Tizen programming guidebook. (Publisher: Samsung)Making & understanding Android programming (https://www.yes24.com/Product/Goods/92761383)Android programming guidebook.Making & understanding Web App & Hybrid App programming (https://www.yes24.com/Product/Goods/58076112)Html, CSS, Javascript, Cordova programming guidebook.Following & learning BADA mobile programming (https://product.kyobobook.co.kr/detail/S000001594444)SAMSUNG BADA programming guidebook.Visual C++ Windows Skin & Theme programming(https://m.yes24.com/Goods/Detail/3460729) Aug.2009Windows API, Skin controls and C++ language guidebook.GOOGLE PLAY STORE APPLICATIONSXfinity Digital Home Internet & TV service management (https://play.google.com/store/apps/details?id=com.xfinity.digitalhome)MyPrice Reverse Auction market Android app (https://play.google.com/store/apps/details?id=com.themyprice.app)BlueCanvas - Slide show pictures & videos IOT machine (https://play.google.com/store/apps/details?id=com.cnl.bluecanvasuserapp2)Bead Puzzle Triangle - Brain training block puzzle Android game (https://play.google.com/store/apps/details?id=com.puzzlia.beadspuzzletriangle)LotteSuper Mart managing Android-Hybrid app (https://play.google.com/store/apps/details?id=com.lottemart.lmscp)ShinhanBank Sunny Watch Mobile banking Android app (https://play.google.com/store/apps/details?id=com.shinhan.sbanking)Miss Planner Weekly planner Android app (https://play.google.com/store/apps/details?id=com.topsan.missplanner) |
