Developer Software
Resume:
Celestino Joseph Pena
Weston, FL 33326
*********.****@*****.***
www.linkedin.com/in/cjpdev
KEY QUALIFICATIONS
Skilled Software Developer with 4+ years experience in enterprise web
development and 12+ years experience in database design and programming.
Currently the lead developer for an open source intranet application
serving five offices and over 250 users. Mature team player with ability to
adapt to new environments and technologies.
TECHNICAL SKILLS
Languages C#, ASP.NET, ADO.NET, HTML, Javascript, AJAX, jQuery, DHTML,
CSS, Java, JSP, XML, XSL, SQL, PL/SQL, T-SQL, REXX, Open Object REXX, Bash,
PHP, Unix shell utilities
Tools and Frameworks VisualStudio, Eclipse, iBatis Data Maps, Joomla
Content Management System, OpenCart eCommerce, GIMP Imaging software
Databases MS SQL Server 2005 and 2008, MySQL 5.x, Oracle 8.0 to 9i
Application Servers Jakarta Tomcat 6.0.x, Apache 2.0
Operating Systems Windows 2000/XP/Vista/7, Red Hat Linux 8.0, Ubuntu Server
8.04
Other Applications Subversion, CVS, Visual Source Safe
EXPERIENCE
One Source, Inc.
Lead Software Developer
Feb 2009 - present
. Created database schema in MySQL Server 5.1, enhanced database layout
by balancing normalization and data joins
. Organized role-based access to the applications functions and services
. Created, enhanced and optimized HTML interfaces for performance,
responsiveness and ease of use using object-oriented techniques with
Javascript and AJAX.
. Facilitated client-server communication using server-side routines to
generate client-side code and using JSON as a common data transport
convention
. Used Subversion for source control of application code using tagged
branches to mark important releases
eFunds/ Fidelity National Information Services
Database Developer
Aug 2007 - Feb 2009
. Created new tables, stored procedures and functions in SQL Server 2000
and 2005 environments
. Debbugged and enhanced existing stored procedures and functions
. Performed manual unit testing of stored procedures and functions
. Cooperated and worked with QA team in testing, version control and
migration tasks
. Developed internal tools to facilitate and automate project tasks,
such as web application prototyping using Tomcat server and JSP and
dependency verifications for stored procedures.
. Used Subversion for source control of internal tools
BJR Consulting/ Suncoast Physicians' Health Plan
Software Developer
Jul 2006 - Aug 2007
. Used MS Visual Studio for C# to develop windows forms and user
interface components
. Coded solutions for enhancement requests and bug fixes on a Health
Plan Administration application
. Implemented search capability on data grids to facilitate finding data
on huge grids
. Created data layer objects such as DataSet implementations to
encapsulate data access
. Employed MS SQL Server Studio 2005 to create and enhance stored
procedures, functions and tables
. Analyzed and improved performance of highly used search queries by
optimizing SQL
. Performed testing and maintenance coding with team members
. Used Rexx scripts and unix utilities to automate data migration tasks
for new client
Broward County Schools, Dillard High School
Computer Science Instructor
Aug 2003 - May 2006
. Developed syllabus, content, coding examples and lesson plans for
courses in Computer Science
. Instructed Introduction, Intermediate and Advanced Placement Computer
Science using Java
. Coached students and coordinated and facilitated participation in High
School Programming competitions
. Established local network of Linux workstations using Red Hat Linux
8.0 and customized desktops using ICE window manager
Various Clients
Contract Software Developer
Jan 2000 - Jul 2003
Rentalo.com
. Developed, tested and refined web-based scripts using Rexx to gather,
filter and report on data from the Web
. Generated HTML and Javascript in order to create marketing reports
. Enabled company to meet previously unreached monthly marketing goals
. Trained others in running and customizing web spider programs
Medworks, Inc.
. Ported proprietary application for the Healthcare industry from Cold
Fusion to Java
. Used Eclipse to develop java servlets and object oriented components,
such as Paging beans for navigating through large result sets
. Employed java servlet and JSP technology to develop data driven web
interfaces
Hewlett Packard
. Maintain, refine and test web application used by corporate donors,
charities and food banks
. Fixed wide variety of issues using HTML, JSP, JSP Tag Libraries, SQL and
Javascript
. Assisted in object oriented re-factoring of prototype application using
Jakarta Struts
Citicorp
. Develop and maintain B2B application for Latin American corporate clients
. Maintained and enhanced a wide range of java classes across multiple
tiers of enterprise application
. Used XML technologies such as XSL stylesheets in application front-end
Florida Power and Light
. Reviewed, enhanced and maintained java servlets which linked user web
requests to legacy mainframe systems
. Developed data access classes to be used in java servlets for Lotus Notes
databases
Professional Aviation Management and Law Offices of Celestino Pena Sr.
Database Programmer/Administrator
Jan 1993 - Dec 1999
. Designed, developed and upgraded billing application to process and
invoice monthly payroll-related services
. Established database tables, views and relationships that comprised
entire application back end
. Developed a client-server employee benefits tracking application using
R:Base and SQL
. Created a Java client application to facilitate employee background
record checks and communicate with state agency bulletin board systems
Education and Training
Bachelor of Arts, New York University 1986
Red Hat Linux Networking and Security Administration, North Carolina July
1999
Oracle Database Administration, Miami-Dade Community College January-May
2003
CompuMaster Linux Networking and Administration, Fort Lauderdale, Florida
August 2004
Certification
Sun Certified Java Programmer for Java 2 Platform, October 2000
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