Moongkl Works
01 Jun 2019

This is markup and publishing for the building homepage. While I'm working on this project, I was able to better understand use of S3 in AWS. I was also able to understand the latest image compression, web content compression optimization and social media optimization.

Wegen Scan
01 Apr 2019

Wegen is a cryptograph wallet based on a block chain system. It includes the activation function using 3D security label made with ultra-thin nano process.

01 Mar 2019

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

01 Mar 2019

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

01 May 2018

CLET is a powerful cryptocurrency wallet and an easy ICO platform. Blind investment for token sales and ICO is coming to an end. Now you can raise profit with judgements and investments based on practical information. It is important for ICO projects to attract new investors. Entry barriers for the new investors should be lowered to encourage investments. Join a community that provides reliable information and easy participation of ICO investment, at CLET!

01 Apr 2018

CoinopTV is a web service that supports educational content related to block chains. This service supports live streaming integrated with YouTube services. Users can subscribe to this service.

01 Mar 2018

UUNIO is a blockchain-based Social Media Contents Market Place platform with an actual reward system. Users are remunerated for the entirety of the value that they create inside UUNIO. UUNIO is created for the decentralisation of information and equitable redistribution of value created by user contents.

01 Mar 2018

Developing a dating app that open patterns that users have given scores.

01 Mar 2018

FastOrder is an online order service using a smartphone. It also supports application for tablets that can be used in stores. This service can manage customers more efficiently without significantly changing existing store ordering system. I participated in ideation of service, service planning, design concepts, and prototyping. I have experienced while developing the services of the design planning services and business models.

01 Dec 2017

Based on Big Data Analysis and Algorithm Application, the app automatically recommends the closest and cheapest gas station near my location. This app helps you save on fuel costs by analyzing oiling patterns.

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.

Megapatrol Management System
01 Dec 2017

RF Card management system development. (Windows Application). MegaPatrol is management device which can supervise human’s activities especially for security guards to check whether they fulfill the patrolling work according to certain plan and rules. It’s easy and effective to control and track security guards’ activities.

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.

Aston KYC & Management pages
01 Nov 2017

This is a website that supports cryptocurrency investments related to ICO (Initial Coin Offering). KYC (Know Your Customer), user wallet address authentication etc included.

Fresh Gourmet
01 Oct 2017

Fresh Gourmet is a company that cooks and sells lunch boxes. This is a web page that sells lunchboxes online as they expand their offline business online.

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.

Ready U
01 Sep 2017

An Android application that connects with people going to ski resorts. This app includes matching people, chatting, bulletin boards, and skiing skills.

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.

01 Jul 2017

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

01 Jul 2017

This service is predicts and recommends clothes that fit well with your physical information before purchasing clothes. The service basically recommends the optimal size of clothes for small and medium-sized brands based on large-sized clothes that fit well.

01 Jun 2017

An Android application to meet new people, invite friends and chat. In particular, this app can only be signed by employees of a certified company.

Sleek Project
01 Mar 2017

This is a mobile app and a web project. The web application allows the user to select, schedule and pay for fitness programs. The mobile app application is an O2O service. The app can connect with users and trainers.

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.

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.

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.

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.

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.

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.

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.

Common forum system for mobile applications
01 Feb 2014

Implemented in PHP, AngularJS, C# and JavaScript an Application which performs Bulletin board system for Mobile application. The project was included as a hybrid mobile app. I shipped this product to over 5,000,000 customers in Republic of Korea.

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.

Fast zip code search engine
01 Jan 2014

Implemented in PHP an Application which performs find zip code by address. Changed system and wrote code to improve performance of this engine, by over 100% better than the legacy system.

Redmine Sticky Messages plugin
01 Dec 2013

Implemented in Ruby a plugin for whole over 100 employees.

Automated statistics tools
01 Nov 2013

Implemented in Selenium an Application with collects statistical data from the web automatically. Made this Application to reduce over 8 working hours a month to collecting statistics.

Mobile advertise and statistics system
01 Oct 2013

Implemented in PHP, C#, JavaScript and Hadoop an Application which analytics to measure applications and advertisement data to gain business insights. Lead engineer on this product.

ALSee for Windows 8.1 App
01 Sep 2013

Implemented in JavaScript and HTML5 a Application which animations, transitions, node nesting, layering, filtering and caching for images.

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.

Infra service for ALTools
01 Aug 2010

Implemented in C#, PHP and Python a Application. Developed and managed updates for products that banners, advertisements system for applications with over 10 million users. Lead engineer on this product.

01 Aug 2008

Cloud storage and business environment service. Implemented in C#, C++, Java, Python and many other languages an Application which performs a cloud storage service, mail hosting, messenger, forum and mobile for iOS and Android. Lead engineer on this product.

Human resource management system
01 Aug 2007

Implemented in C# an Application which performs HRM (Human resource management) and electronic approval system used by over 300 employees for the company.

Security mail service for national institute
01 Jul 2006

Development security mail solutions for government used by national agencies.

Web application for game; Cabal Online
01 Jun 2005

Implemented in C# an Application which performs Member, Payment, Community and Forum services for Game. Lead engineer on this product.

Content provider site for DRM Service; ALX
01 Apr 2005

Implemented in C# an Application which performs DRM(Digital rights management), Payment and Member services development. Lead engineer on this product.

Online storage solution; InternetDisk
01 Jan 2005

Web application development and data modeling for online storage solution.

Online storage service; IDisk
01 Feb 2003

Web application development and data modeling for online storage solution. This service was provided by major portal of the Republic of Korea.

Inventory management system; Octopus
01 Feb 2002

Inventory management system for warehouse.Barcode scan and manage application using Windows CE.

Web services for internet broadcasting
01 Jan 2002

Web application development for internet broadcasting system. Deployed in many public institutions in the Republic of Korea.

Personal live internet broadcasting system; MyPandora
01 Jan 2002

Development for private broadcasting solution. Implemented in MFC an Application which performs live video or audio streaming.