Software Java

Ritchie Hwang

** ***** ****, **** 647-***-****

Markham, Ontario L6G 0B4 ********@*****.***

Android Programmer (Business number: 221252158)

Profile

. 9+ years as software developer in software development and integration

projects utilizing SDLC methodologies

. Sun Microsystems Certificated Java Programmer

. Strong skills in developing Android applications using sqlite3

. Proven record of database design and development (Oracle, SQL Server,

MySQL)

. Solid experience in both MS Windows and Unix operating systems

. Seek to solve challenging problems and find optimal solutions

. Please check my website http://mannerh1.wix.com/first

Technical Skills

Languages Java/J2EE, C++, XML, Android, Unix C, Microsoft Visual C++

JAVA JDBC, JSP, Sax XML parser(Xerces), P(Persistent)Dom, JSON

Frameworks Hibernate, Jigloo SWT/Swing GUI builder

Software/Tools Eclipse, CVS, Subversion, DDD(Unix C debugger)

DBMS Oracle, MS-SQL, Sybase, MySQL, SQLITE3

Platforms Unix (Solaris), Windows

Design UML, Erwin, Clay Azzurri

Work Experience

FreeLancer 2012

Android Programmer

Developed a game application named "Cavities" in Android market

o Independently developed the application from planning to

deployment

o Made User Interface for responding to user's requirements

o Used threads to show many different teeth having different level

of cavities

. Within a period of time which a user can set, a user points inside of

tooth not to decay the tooth

. A User can adjust the background, the period of time to play, the

number of teeth to decay and the speed to decay teeth in the first

page

Download link from android market

https://play.google.com/store/apps/details?id=com.cavities.teeth&feature=

search_result#?t=W251bGwsMSwyLDEsImNvbS5jYXZpdGllcy50ZWV0aCJd

. Software/Tools Java, Android SDK, Eclipse, Android Virtual

Device, Git, Linux Mint

Android Programmer

. Developed "CyranoSMS" in Android market

. Independently developed the application from planning to deployment

o Implemented and tested modules after analyzing SMS features

o Developed this app from user interface to database

. Using same number, Encrypt & Decrypt SMS message

Download link from android market

https://play.google.com/store/search?q=cyranosms&c=apps

. Software/Tools Java, Android SDK, Eclipse, Sqlite3, Android

Virtual Device, Git, Linux Mint

30 Clegg Road, Ph03 Ritchie Hwang 647-***-****

Markham, Ontario L6G (2/3) ********@*****.***

0B4

Android Programmer, Software Programmer and System Administrator

2010 ~ 2011

Android Programmer, InViVo Communications, Toronto

(Contract through Robert Half Technology)

. Converted iPhone application named "myIBD" to Android application

. Reused the icons of IPhone application

. Independently developed the application from analysis and planning to

implementation and testing

o Planned modules after analyzing iPhone operation

o Implemented the application from User Interface with variety of

components to Database using date as a key for comparing

. Controlled source version using SVN in the eclipse

. Made graphs using achartengine library

Download link from android market

https://play.google.com/store/search?q=myibd&c=apps

Software/Tools Java, Android SDK, Eclipse, Sqlite3, Android Virtual

Device, Subversion

Software Programmer, COSKA, Toronto

. Extracted data from database that was to be used for migration to new

web site of Korean programmers group in Toronto (www.coska.com)

. Developed an Android application named "Flying Dishes" on the android

market as a team member.

Software/Tools Java, Android SDK, Eclipse, Android Virtual Device,

Subversion, MySQL, MS-SQL

System Administrator, Ronald A Chisholm Ltd., Toronto

. Updated the Disaster Recovery servers with archived email

. Wrote Java programs to insert delimiters into texts that show

subdirectories and file attributes into Excel files

. Completed upgrading 2003 version Excel macros to 2007 version to

store file attributes in subdirectories (using Visual Basic)

. Installed and tested Cisco VPN client on 100+ workstations

Web Development (Contract): 2006 ~

2008

Software Programmer, LIG E&C, Seoul, Korea

Project: Develop CBS(Cost Breakdown Structure) which is the basic structure

for cost management of building houses

. Developed modules using PowerSync frameworks to integrate modules

written in Javascript and PowerBuilder

. Wrote modules for web pages using Javascript, PowerBuilder and Oracle

database

. As a leader of 3 member team, was responsible from design to delivery

for the CBS. The new system reduced overall labor costs by 15%

Software/Tools Javascript, PowerBuilder, Oracle, PowerSync, CVS

Software Programmer, YouRae Soft Systems, Inc., Seoul, Korea

Project: Re-engineering of a website (from marketing service website to e-

learning website)

(www.imkt.co.kr)

. Developed website for both customers and curriculum administrators

. Developed curriculum administrators functions including search the

curriculum, manage it, cancel it, login / registration it and manage

refund using JSP, Javascript and HTML

. Developed "mypage" that enables users to manage their own curriculum

and financial needs

. Accomplished cutting labor costs by 25% compared with the traditional

manual processes and eventually, the company was able to launch e-

commerce business using this revised website

Software/Tools Javascript, JSP, MS-SQL, resin, Eclipse, JDBC,

J2EE

30 Clegg Road, Ph03 Ritchie Hwang 647-***-****

Markham, Ontario L6G (3/3) ********@*****.***

0B4

Consultant, Alox, Inc., Seoul, Korea

. Worked on semantic web projects for SK Telecom (one of the

largest wireless companies in Korea) to evaluate alternative

solutions

. Completed strategy/design document on the proposed solution for

web 2.0 named Media Mixer and Smart Life Planner

. Made prototype using java and GUI builder to find out the right

strategy

Software/Tools Eclipse, Java, Jigloo SWT/Swing GUI

builder

Software Programmer, YeSeung, Inc., KyungGiDo, Korea

. Integrated many distributed websites into single centralized

website for Korea Telecom, one of the largest wireless companies

in Korea

. Analyzed requirements, DB Schema and existing services

. Generated complicated SQL statements for other programmers

. Designed the transfer flow from old DB to new DB

. Programmed transfer programs

Software/Tools Eclipse, Java, MySQL, Oracle, Clay Azzurri, UML

Software Developer, Chung-Ang University, Seoul, Korea

2003 ~2006

. Accounted for implementation of various academic experiments/models

using Java and XML parser such as Sax and PDom for researchers

. Applied rarely used functionalities of Oracle 9i database such as bulk

insert, materialized view, merge statement, etc

. Employed database technologies as well as conventional files to

provide simulation environments for experiments

. Achieved significant improvement on processing performance at least by

20%

Software/Tools Hibernate, Eclipse, java, Oracle 9i, JDBC, Sax XML

parser(Xerces), PDom

Software Programmer, News Design Systems, Inc., KyungGiDo, Korea

2000 ~2002

. Delivered a modified CAD software to enable designers to reuse legacy

system which was patented for electronic circuits design to allow

designers to change easily and effectively. Examples of modification

include file format conversion of designs, multi-level hierarchy

process, transferring polygon to rectangle and dividing elements into

wire or jog or multi-contacting

Software/Tools Unix C on Solaris OS, DDD(Debugging Tool)

Software Programmer, KDN CO., LTD. Seoul, Korea

1995 ~2000

. Involved in planning, implementing and testing the Settlement and

Trading System of electric power (for transformation of paper based

system to a new automated system)

. Developed automatic alert system to detect the amounts of peak power

usage and to provide analytical reports regarding causes of accidents

on the SCADA(Supervisory Control and Data Acquisition) system

. Developed IBS(Intelligent Building System) using PowerBuilder and

Oracle Database to maximize the efficiency of power consumption

. Developed MAFIS(Magic File System) which was used for scanning papers

of a company and storing them in the disk in order to edit the file to

fit a purpose using Microsoft Visual C++

Software/Tools Unix C on Solaris OS, PowerBuilder, Oracle 8, Visual

Basic

Credentials & Certifications

Ph.D in Engineering, Computer Science, focus: databases Chung-Ang

University 2007

Sun Microsystems Certified JAVA Programmer

2000

Master of Engineering, Computer Science, focus: databases Chung-Ang

University 1995

Bachelor of Engineering, Computer Science, Chung-Ang University, Seoul,

Korea 1992[pic]

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