Developer Sql Server
Resume:
Jeff Jirsa
Lisle, IL 60532
******@*******.***
PROFESSIONAL EXPERIENCE
Apex Systems, Chicago IL
Contractor - June 2008 to Today
. Create documentation for the design, development, unit and system
testing phases of the software lifecycle.
. Make enhancements to the client's custom CMS application (based on
vtiger 4), that is used by over 600 users for tracking incoming and
outgoing calls.
. Reduced the time of callback work pushed to agents by the CMS from
over 60 to less than 4 seconds by redesigning the workflow logic,
optimizing SQL, and tuning the database.
. Moved the CMS and Apache/MySQL/PHP environment from Windows to Linux,
changing uptime from 1 day to over 140 days.
. Used Prototype to implement AJAX for paginating search results and for
pushing work to agents.
Mbira Technologies, Chicago IL
Senior Web Developer - June 2007 to April 2008
. Developed a PHP based web application to change LDAP base user
passwords.
. Made interface and database enhancements to extend the PHP based
ticketing/CMS system.
. Made enhancements to the PHP based reporting system to improve the
report processing.
. Enhanced the Bash, Perl and PHP based house holding system used for
managing the customer database for catalog mailings.
Officite LLC, Oak Brook IL
Senior Developer - April 2005 to May 2007
. Designed and developed a customer management system to manage
customers and all customer website information developed with the PHP
5 based Symfony MVC framework. Added features to the system including
generating customer invoices as PDF documents, improving usability
with AJAX, and the multi-page data handling.
. Performed system administration duties which included building custom
versions of PHP to access MS SQL Server databases, and creating custom
configurations of Apache to run on Windows PCs and Linux servers.
Thomson Financial/A-T Financial, Naperville IL
Senior Developer - March 2001 to August 2004
. Designed and developed the AT-Attitude Subscription e-commerce web
site and administration web application running on a LAMP (Linux,
Apache, MySQL, PHP) setup.
. Maintained, enhanced, and supported the C++ based Speedfeed XML server
product. Wrote Perl and Python based testing programs to detect
defects and analyze performance. Reduced the defect report to repair
time to one day; increased the server's performance by 20%.
. Maintained, enhanced, and supported the C++ based Speedfeed Java
server product. Focused on reducing resource locking to enhance
throughput and allow for more connections.
Chicago Consulting Partners, Chicago IL
Senior Developer - May 2000 to January 2001
. Researched the requirements for switching an existing e-commerce
retail web site to use Ariba Marketplace and Dynamic Trade software.
. Designed and developed Java servlets for a corporate web site to
automatically create new users in the Ariba Dynamic Trade, Ariba
Marketplace, and web portal Oracle databases. Created shell scripts
to create new Oracle databases for development and testing.
FleetPride Corp., Deerfield IL
Webmaster - 1999 to April 2000
. Designed and developed the FleetPride corporate web site and the
administration web application. The administration web application
was designed to allow corporate users to maintain information for
store locations, job postings, press releases, vendor, and product
information.
Follett Campus Resources, Elmhurst IL
Systems Developer/ Technical Services Specialist - 1991 to 1999
. Developed, maintained, and supported the Perl application builder to
generate daily software builds of the FIRSTsystem retail back-office
(AIX), POS (OS/2), and credit authorization (AIX) software from the
PVCS repository.
. Maintained and enhanced the POS hardware DLL for the COBOL POS
application. Extended the DLL to support the IBM proprietary and
generic PC hardware configurations.
. Developed and maintained the Korn and Rexx scripts to automate
installation and upgrading of the FIRSTsystem back-office application
on AIX and POS product using OS/2 on PCs. The scripts automated
creating file systems, TTYs, printers, users, configuring TCP/IP, NFS,
and loading software.
PC Quote, Naperville IL
Programmer/Analyst - 1989 to 1991
. Maintained, enhanced, and supported the Stock Market Feed Server
running on DOS and ported the application to OS/2. Used OS/2's
thread, semaphore, and shared memory APIs to process the data on the
20 serial communication lines.
. Developed the monitor program to watch and control the status of each
communication line via shared memory used with the Feed Server.
Lattice Inc., Lombard IL
Programmer/Analyst - 1986 to 1989
. Maintained, enhanced, and supported the Standard C libraries used in
the Amiga, DOS, and OS/2 C compiler products.
. Wrote, enhanced, and supported the Family API (DOS, KBD and VIO)
library, used in the OS/2 C compiler for DOS and OS/2 compatible user
programs.
. Developed a test suite for the v5.0 Amiga C compiler product.
EDUCATION
Bachelor of Science in Computer Science
DePaul University, 1986
COMPUTER LANGUAGES
C++, HTML, Java, JavaScript, Perl, PHP, Python, Shell (Bash, Borne, Korn)
OPERATING SYSTEMS
AIX, Linux (Fedora Core/Red Hat, SuSE, Ubuntu), Windows NT/2000/XP Pro,
Solaris
DATABASES
MySQL 5, Microsoft SQL Server, Oracle 8i
REVISION CONTROL
Configuration Builder, PVCS, Subversion, Tortoise SVN, Visual Source Safe
SOFTWARE
Dreamweaver, Eclipse, Homesite, Microsoft Office, Paint Shop Pro, Visio,
Visual C++
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