Sweetco
Sweetco Sweetco Sweetco Sweetco
01 Dec 2019

Rental car price comparison web application and mobile app.Stabilization and upgrade works. Bulk push feature upgrades and many service bug fixes.I developed for the latest os, bug fixes, app updates and optimizations.I was able to understand the whole used car brokerage business through this project.


Jaro
Jaro Jaro
01 Mar 2019

Smart tape measure application for Android. Work for CJ proposal. Troubleshoot upgrading from BLE 4.0 to BLE 4.2


Fivesense
01 Mar 2019

Apps that could host the application on a web-based with native code from Android(Java) and iOS(Swift and Objective-C), and registered it in the Google Play and Appstore.While I’m working on this project, I was able to better understand establish the procedures for iOS Appstore registration. I was able to speed...


Oracle Java SE subscription 이슈 정리
25 Nov 2018

Oracle은 2018 년 6 월 21일에 Java SE에 대한 유료 구독 모델을 발표했다. Java SE Subscription이 그것인데 특히 2019년 1월부터 판매를 시작하기 때문에 2018년 11월 현재 얼마남지 않은 시간과 잘 알려지지 않은 내용 때문에 더욱 관심이 높아지고 있는 듯 하다.Java SE, Java EE여기서 많이 등장하는 Java SE는 뭐고 Java EE는...


Myriels
Myriels Myriels 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.While I’m working on this project, I...


RisingStar
RisingStar RisingStar 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.While I’m working on this project, I understood the streaming service integration technology, live streaming technology and troubleshoot streaming....


T-messenger
T-messenger 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.While I’m working on this project, I understood how to troubleshoot WebRTC clients for various network environments.


CashFeed
CashFeed CashFeed 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.While I’m working on this project, I understood Tinder-like UI development...


MeBuy
MeBuy MeBuy MeBuy
01 Jul 2017

An Android application that curates PPL videos for real purchasing. Implemented hybrid application technology, video and content management technology.While I’m working on this project, I understood the industry-wide trends related to PPL and video commerce.


OTT(Over The Top) Service; Mug
OTT(Over The Top) Service; Mug OTT(Over The Top) Service; Mug 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.While I’m working on this project, I understood location recognition technology and AP authentication method through Wifi.


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.


Smart Tape Management; Jenda
Smart Tape Management; Jenda Smart Tape Management; Jenda Smart Tape Management; Jenda
01 Jan 2017

An Android application that manages measurement by communicating with Smart Tape via Bluetooth. The app can connect with smart tapes to view, organize and share size data. Dimension management, Body shape management and smart tape measure data calibration algorithm added in Phase 2.While I’m working on this project, I understood...


Modify the Groupware in intranet for the mobile environment
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.기존 그룹웨어를 모바일 환경에 맞게 변환 작업. 전사 직원 대상으로 사용.


Comgree
Comgree Comgree Comgree 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.


SoundexClass.java
05 Aug 2015

Problem자바로 구현한 Soundex 알고리즘이다. Soundex는 일종의 인코딩 방법으로 유사한 발음의 단어를 검색하는데 사용된다. 영문으로 어떤 단어를 검색했을 때 맞춤법이 잘못되었거나 오타로 인해 검색결과가 부정확할 가능성이 있다면 Soundex 인코딩을 통해서 유사한 단어의 결과를 보여줄 수도 있다. 예를 들어 “be a warrior not a worrier meaning” 같은 문장에서 “warrior” 와 “worrier”를 Soundex...


IsSorted.java
05 Aug 2015

ProblemIsSorted.javaSolution400: Invalid request


T-messenger
T-messenger T-messenger T-messenger T-messenger 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.While I’m working on this project, I understood how to work with foreigners and teach the skills.


Tellustech
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.While I’m working on this project, I understood about Spring Boot and multilingual development.


Doctor Implant
Doctor Implant Doctor Implant Doctor Implant 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.안드로이드 앱을 이용해 치과 상담을 할 수 있는 O2O 서비스. 기존 스킨닥 서비스를 변형하여 치과(임플란트)에 맞게 재 패키징한 제품.


SkinDoc
SkinDoc SkinDoc SkinDoc 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.안드로이드 앱을 이용해 피부과 상담을 할 수 있는 O2O 서비스. 서버와 관리툴(API, 상담, 채팅, 관리 기능 등) 개발.


Synchronized song lyrics system redesign
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.대용량화 되는 알송 가사 서버의 나빠진 서비스의 성능을 개선하기 위해 서비스 리디자인(redesign) 작업. TA(Technical Architect)의 역할로 프로젝트에 참여함. 기존...


2013년 8월의 개발일지
24 Aug 2013

오늘도 어김없이 일어나 출근을 한다. 출근길에 나는 파스쿠찌1에서 카페라떼를 산다. 회사 근처 파스쿠찌에서는 출근 시간 테이크 아웃에 한해서 30% 할인을 해줘서 부담이 덜하다. 나는 출근 시간 15분 전에는 회사에 들어가 자리에 앉아 컴퓨터를 켠다. 오늘 따라 부팅이 느린 것이 느껴진다. 아마 어제 컴퓨터 종료할 때 실행되던 윈도우 업데이트 때문인 것...


Cloud storage service; ALCloud
Cloud storage service; ALCloud Cloud storage service; ALCloud Cloud storage service; ALCloud 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.클라우드 스토리지 서비스와 SNS 서비스를 하나의 스토리지처럼 사용할 수 있게하는 서비스. 사업 의사결정으로 출시하지는 못했지만 클라우드 서비스 개발에 새로운 경험 확보.


Security mail service for national institute
01 Jul 2006

Development security mail solutions for government used by national agencies.국가기관 보안메일 솔루션, 국가기관(비공개 서명)에서 사용하는 보안메일 시스템 구축.