Berapt will provide multiple services for the creator. Our first service - Shoulder is Super Fans Community Platform. https://shoulder.fan

Maintaining the purchase system for digital products in KakaoTalk service and leading the several projects for the team - building the data pipelines to provide the digital products by curating system, migrating the legacy server infra to Kubernetes. Highly skilled using Spring Webflux, Kotlin and Hadoop ecosystem for the projects.

Lead the team for the back-office service and payments as called as BizDev team. Also lead the data driven environments (GCP, AWS, Kubernetes, Hadoop) for the Lezhin Comics service. Experience the team management and design the architecture for the services for the staffs and partners.Tech- GCP, AWS, Spring, Java, Kotlin, hibernate, JPA, MySQL

Designed the backend service APIs for Web site, Android/iOS mobile application and Backoffice tools. Designed and Implemented the new architecture (MVVM) for Lezhin Comics service Successfully upgrade the system to support multi-laguages for launching for theglobal. ( http://www.lezhin.com ) Experience providing the service as Stable to 8M+ members. Deeply used Java, Spring, Google Cloud Platform, AWS for the service.Accomplishments● Backend services for Lezhin Comics.● CMS for Internal.● Monitoring system.● Inventory System - Dynamic control for Frontend contents.Tech- GCP, AWS, Spring, Java, Kotlin, hibernate, JPA, MySQL

Successfully organized many big events - DevFest, DevFair, HackFair for developers and built strong relationships with them.Reliably set up monthly meetup in GDG Seoul and Speak the technical sessions in the crowd about WebRTC, Google App Engine. Led many study group for the developers about Android, Google App Engine, WebRTC, Algorithm.

Launched a startup that provides a real-time communication service on the web with a leading WebRTC technology and analyzed collected client data for helping their marketing to clients. Lead the team to challenge e-health care industry as Plastic surgery market. Specially focus Chinese market to counsel the plastic surgery with Korean Hospital using our service. Strongly connected many other startup leads and lead the group for the startup. Also implemented whole system for Veckon using Java, Javascript, Google App Engine, Android.Accomplishments● Develop the video conference service by WebRTC. (http://www.veckon.com)● e-Health care system● Video counselling service for Plastic Surgery.● Win the Medical Tour Platform Award from Korea Tourism Organization(KTO)Tech- GCP, Spring, Java, Javascript, HTML, WebRTC, Datastore/NoSQL

Successfully organized many big events - DevFest, DevFair, HackFair for developers and built strong relationships with them.

Implemented almost Java side of Multi-Functional Printers Platform and led the internal API design for team.Designed the internal memory management system called DataBlock and also implement it by C. It is core module for Multi-Functional Printers Platform.Guided the implementations for the open platform api to Samsung India Software Organization for 6 months.Supported the technical issue on site over the world - U.S, China, Europe. Directly or in-directly communicated with customers.Accomplishments● XOA Platform - Java / C.● XOA Web SDK● Performance and Memory Analysis for MFP.● Auto Build & Auto Test System.● Logging System for MFP.Tech- OSGi, Spring, Java, C, Embedded Mysql, Jetty

Developed the logging system for Massively Multiplayer Online Role-Playing Game. Worked on database management (Query optimization and Table relationship design) using Mysql and MaxDB.And developed the web service to display statistics for the log of games with php.

Delivered online education service, shopping mall, and company website using JSP. Worked on developing embedded applications for Cellvic (Korean PDA brand)