1. 1
EMPLOYMENT CERTIFICATE
Mr. Takeo Nishioka has been employed full time at CAERUX.CO.,LTD as a programmer and Server
Administrator since 20 April 2009 to 20 July 2011. He was working at our company as a Programmer
and Server Administrator of the System Development Department and on average 65 hours per week.
Employee's Name: Takeo Nishioka
Date of Birth: July 5, 1983
Employment Date: 20 April 2009 to 20 July 2011
Work Responsibilities:
 System design and development and maintenance for Social Game using Perl and
PostgreSQL.
 System design and development and maintenance of content delivery services for Feature
phone devices.
 Schema design of the Database, and CRUD operations against relations from the
application using MySQL and PostgreSQL.
 Security management and user management of Linux servers.
 Development tool for Linux Server, the script using Shell Script and Perl.
 Building a load balancing environment for performing high-load processing.
 Construction and operation and maintenance for Linux services.
 Construction and management of virtualized environments on Xen.
 Development android application.
 Add functions and Bug fixes and refactoring for maintainability improvement, SQL tuning.
 Requirements definition with planners.
 Web page creation with Javascript.
 Mount and Setup server hardware in the data center.
Last Position: Programmer
Records;
April 2009 to May 2011 Programmer
- Web Application System development which includes scheduling, resource management and
quality of delivery (Quality Control, Development Control)

2. 2
- Meeting with clients (Schedule Adjustment and check progress, scheduled for release)
- Analyzing requirements and Request definistion from planner.
◆ System migration of mobile content delivery site as Programmer.
- Development of DB data migration method
1. To adjust the consistency of the functions of the system after migration before the
migration system, to obtain an agreement with the client.
2. Analysis of the relationship of schema in accordance with the agreement.
3. Implement a billing module interface of the feature phone carriers company.
4. Additional development of the required functions.
5. Development of data migration tool and Test for data migration.
6. test data migration.
7. Add the function of the master management.
◆ Social Game Development as Programmer.
- Development of Social Game as Programmer.
1. To adjust the consistency of the functions of the system to obtain an agreement with
the client.
2. Database Design and schema and relationship under requested specifications.
3. The development of an interface module to their own system and OpenSocialAPI.
 Designing Interface program
 Designing and Development for Database Interface.
 Testing and debugging
4. Development of the required functions
5. Web Application System testing and debugging
6. Add the function of the master management.
◆ Content delivery site for feature phone as Programmer.
- Development of cartoon delivery system as Programmer.
1. To adjust the consistency of the functions of the system to obtain an agreement with
the client.
2. Development module interface which is BookSurfing system.
3. Database Design and schema and relationship under requested specifications.
4. Implement a billing module interface of the feature phone carriers company ( docomo,
softbank, kddi ).
5. System Design of Requirement definition.
6. Development of the required functions.

3. 3
7. Web Application System testing and debugging.
8. Add the function of the master management.
- Development of Content delivery system as Programmer.
1. To adjust the consistency of the functions of the system to obtain an agreement with
the client.
2. Development module interface which is for specification of feature phone carriers
company ( docomo, softbank, kddi ).
3. Database Design and schema and relationship under requested specifications.
4. System Design of Requirement definition.
5. Development of the required functions.
6. Web Application System testing and debugging.
◆ Others
- Function Added and the maintenance to the system that has been developed.
- Renovation of attendance management system using JSP.
- Development Android Application.
- HTML Web Page with Javascript creation.
- Design and implementation of database.
- Shorten the response time of SQL (tuning) .
- Refactoring work for the improvement of maintainability and quality, and coordination
tasks .
- Implementation interface with external PR ( public relations) system
- Design and specification for Web Application.
- Estimate of the development system
- Additional functions for operational improvement
- Assigned and regulation of the task and review, to subordinates
- Development assistance to other teams.
April 2009 to May 2011 Server administrator
- Build up and Setup and configuration and manage for Linux server OS
- Management of user security management
◆ In order to improve the MTBF, and multiplexing of service
- Construction of high-load-balanced environment (Dual system) in Web Server and Database
Server.
1. Proposal and selection of dispersion method
2. Plan to build a distributed environment

4. 4
3. Building a distributed environment
4. Test a distributed environment, the Plan of disaster recovery
◆ The construction and management services needed to web application
1. Web Server
2. Database Server
3. SMTP Server
4. POP Server
5. DNS Server
6. SSH Server
7. FTP Server
8. NTP Server
◆ Others
- Building and managing virtualized production environment .
- Setup Web application which is management database.
- Development of plans and procedures of hardware failure corresponding.
- Implementation of state monitoring tools on the server and monitoring.
- Script development for automatic backup.
- Recovery of hardware failure.
- Mount of server building and infrastructure in the data center.
His most important works (projects):
Project and dates - What Mr. Nishioka did on the projects.
Project Title: System migration of mobile content delivery site
Usage: Feature phone
Period: 02.2011 – 05. 2011
Position: Programmer
Language: Perl, PostgreSQL, Shell Script, HTML, CSS
(See RPL: Project Report 2)
Project Title: Development of cartoon delivery system
Usage: BookSurfing
Period: 08.2010 to 10.2010
Position: Programmer
Language: Perl, PostgreSQL, Shell Script, HTML, CSS

5. 5
Project Title: Construction and operation of a load-balanced environment
Usage: Linux CentOS 5.3
Period: 06.2010-07.2010
Position: Server engineer
Language: Apache, PostgreSQL, Shell Script
In his work he has demonstrated to be skilled:
computer language
 Perl
 PHP
 JAVA
 JSP
 JavaScript
 Shell Script
 HTML
 CSS
service on Linux
 Apache
 Tomcat
 PostgreSQL
 MySQL
 BIND
 Postfix
 Dovecot
 Xen
 NTP
 ProFTPd
 OpenSSH
hardware
 Linux CentOS 5.3
He is competent in using:
Software
 Microsoft Office(Word, Excel, Access, PowerPoint)
 Eclipse

6. 6
 Redmine
 PhpAdmin
 pgAdmin
 MovableType
Hardware
 Windows XP (Professional)
His current annual salary has:
- 2009 2,445,800 yen (from 1 April)
- 2010 3,302,924 yen
- 2011 1,800,000 yen (Until 20 July)
Should you require more information about Mr. Nishioka’s positions and duties I would be willing to
provide this and can be contacted at the telephone numbers and mail address above.
Yours faithfully
(Sign and Date)
Tadanobu Asakura
Position: Chief Executive Officer
CAERUX.CO.,LTD
Edogawabashi Building 3F, To-Ho,1-24-8
Sekiguchi, Bunkyo-ku, Tokyo JAPAN 112-0014
TEL: 03-5206-8188
FAX: 03-5206-8187
Email: asakura@caerux.com
Web: caerux.com