Jaro
01 Mar 2019

Smart tape measure application for Android. Work for CJ proposal.



Myriels
01 Dec 2017

The network map for your mobile contacts. The network map would be a visual guideline on designing your contact map. I implemented wi-tag feature on the network map. A Wi-tag is an anonymous tag that helps you better understand people on your contact map.


RisingStar
01 Nov 2017

It is a personal broadcasting service that supports live streaming. It is implemented as Android native using Kotlin. I have experienced with live streaming back-end building and protocol integration through this service.


T-messenger
01 Sep 2017

It is a mobile messenger for business use by the Oman government. The project uses WebRTC technology. I did the optimization work on this project for various network environments.


CashFeed
01 Sep 2017

CashFeed is a mobile flyer service that analyzes user patterns based on your location and recommends nearby stores. This app allows users to redeem points when they see the ad. The user can accumulate points and exchange them for goods.


MeBuy
01 Jul 2017

An Android application that curates PPL videos for real purchasing. Implemented hybrid application technology, video and content management technology.


OTT(Over The Top) Service; Mug
01 Feb 2017

This app is an Android application that watches movies and TV. This app can be viewed or streamed online. The app implemented location aware technology using Wifi and multi-format streaming video playback technology.


Sales Management System
01 Feb 2017

A Web application based Java that manage sales, and order within the company. The service included an algorithm for calculating the sales priority.


Modify the Groupware in intranet for the mobile environment
01 Oct 2016

Porting legacy groupware to mobile environment. The groupware for KCC group with over 4,800 employees.


Comgree
01 Mar 2016

A messaging application for teams. The service is available online or on a standalone. Implemented in Java a Messaging Application which performs real-time messaging and chat for team. Along with three other team members who wrote the server, iOS and web application.



IsSorted.java
05 Aug 2015


T-messenger
01 Aug 2015

It is a mobile messenger for business use by the Oman government. The project uses WebRTC technology. I did the optimization work on this project for various network environments.


Tellustech
01 Mar 2015

This web service supports calibration equipment certification and certification application services. This web service supports multiple languages such as Korean and Vietnamese.


Doctor Implant
01 Jan 2015

Implemented in Node.js Back-end Service and Back Office which supports API and consults management. Implemented in Java an Application which performs chat and consultation with dentists. Lead engineer on this product.


SkinDoc
01 Sep 2014

Implemented in Node.js Back-end Service and Back-office which supports API and consults management. Implemented in Java an Application which performs chat and consultation with dermatologists. Lead engineer on this product.


Synchronized song lyrics system redesign
01 Feb 2014

Implemented in Java an Application which performs Real-time lyrics from mp3 files. I released this product to over 10,000,000 customers in Republic of Korea. Participated in this project as a Technical Architect.



Cloud storage service; ALCloud
01 Jan 2013

Implemented in Java an Application which unifies storage from multiple Cloud Services or Social Networking Services. Lead engineer on this product.


Security mail service for national institute
01 Jul 2006

Development security mail solutions for government used by national agencies.