Jason Koo

Software Developer

acei6y@r.postjobfree.com

Summary

I have a experience of this field more than five years.

and I am strong at Android / C#(with WebService) / SQLServer

Detail like as:

- 3+ Years Android Programming

- 2+ .Net Framework(C# / ASP.NET)

- 2+ Years C, C++(with MFC)

- 2+ Years SQL Server 2008 R2

- Design and Architecture

- Documentation with VISIO / StarUML

I have developed the small internal software and a server application for the transaction data which is generated

by a card terminal machine on .Net Framework.

and developing payment module service using WebService to provide it to a android application.

I had developed a mobile application(Message App - Android / feature phone)

and then develop a point card service app(like loyalty/gift)

plus, I have a experience of a driver module to control machine before.

Through prior experience, I have a knowledge about how to handle a memory conflict

and how to design a software to be more structural.

I have strong ability to solve problems and debugging skills.

and I am pursuing clean, maintainable, readable codes.

Experience

Lead System Developer at Bankcard Services

April 2012 - Present (2 years 3 months)

1. Reward Salad App

- Display Store's information(include on the Google map)

- Card balance / transaction history check and use it with a bar-code

- Event information list

- Skills: Java / Android / XML / SOAP / SQL Server 2008 R2

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2. Transaction server application

- Handle transactions from each terminal.

- Skills: C#, TCP/IP, SQL Server 2008 R2

3. Reward Salad Enterprise(Management tool)

- Manage Reward Salad Point system to control system by a operation team

- Skills: C#, SQL Server 2008 R2

4. Scheduler Application

- Schedule recurring tasks to Handle a ACH Files and database logging.

- Upload / Download ACH Files between banks and our system.

- Generate statements files for a store owner.

- Skills: C#, FTP, SSRS with 'FastReport'

5. Payment Module(WebService)

- Provide a transaction function to be used by POS and Mobile system.

- Skills: C#, ASP.NET, SQLServer 2008 R2

6. Reward Salad Management Application

- Add-on application to generate a transaction about Reward salad point

- Skills: C#, Click once, POS Print control, Webservice, SQL Server 2008 R2

Mobile Programmer at Pineone Communications

October 2010 - January 2012 (1 year 4 months)

1. Message Application based on a Feature Phone

- Cooperate with Samsung, for Verizon carrier

- Handling SMS and MMS sending and receive.

- Skills: C,C++ and internal framework developed by Samsung

2. Message Application based on a smart phone

- Cooperate with Samsung, for Verizon carrier

- Skills: JAVA / Android

System Programmer at PSK Inc.

December 2009 - August 2010 (9 months)

1. System Application Development for machine control: C,C++, MFC

2. Development of the device driver module for controlling semi-conductor machine: C,C++, MFC

Web Programmer at Gil Information Systems

May 2007 - December 2007 (8 months)

1. Company web-site maintenance with JSP, Tomcat

2. Data Storage management(back-up) with Oracle

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Clerks and jerks at Republic of Korea Army

December 2003 - December 2005 (2 years 1 month)

Languages

Korean (Native or bilingual proficiency)

English (Professional working proficiency)

Certifications

SCJP

Skills & Expertise

Systems Programming

Database Administration

ERP

C++

C#

Android

Java

Visio

StarUML

Software Design

Application Servers

SOAP

C

Microsoft SQL Server

Database Design

Web Services

Education

Myongji University

2008 - 2010

Credit Bank System

2002 - 2006

Interests

- Architect, Database design, SOAP, NoSQL

- Swim, Snowboard, Tennis

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Jason Koo

Software Developer

acei6y@r.postjobfree.com

Contact Jason on LinkedIn

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