Post Job Free
Sign in

Java Developer C++

Location:
Frederick, MD, 21703
Posted:
July 28, 2025

Contact this candidate

Resume:

Dillip K. Patnaik

SUMMARY

Dillip is a Senior Java Developer with over six years of experience, placing an emphasis on application design & development (front and back end), software engineering, and information technology management. He has an extensive background in system and application design & programming including full SDLC implementations (requirements gathering, analysis, design, development, production, support, and maintenance).

TECHNICAL EXPERIENCE

Operating Systems:

Windows 98/NT/2000/XP, MVS, TSO, JCL, CICS, CLIST, Intertest, Xpediter, ISPF, REXX, Endevor, Fileaid, ECL Unisys-1100, UNIX Solaris

Databases:

DB2, Oracle (8i, 9i,, 10g, SQL, SQL*PLUS, PL/SQL, Forms 4.5 and Reports 2.5), Inquire, VSAM, DMS Unisys-1100, JDBC, Datacom

Networking:

LAN/WAN, TCP/IP, Ethernet, IPX/SPX, ATM, VPN, various protocols

Development Languages/Tools:

Java, J2EE, JSP, JSF, Javascript, Java Swing, COBOL, COBOL II, MicroFocus COBOL, PL1, Assembler (IBM 370), SAS, FORTRAN, Servlet, Apache Struts, HTML, XML, XSL, XSD, WEB Services, SOAP, WSDL,JBoss, EJB3, Java Server Faces, shell scripting (Korn shell), C/C++, VB, MQ Series, MS Office, Visio, NetExpress, Eclipse, ANT, AJAX, Spring, Hibernate, iBATIS

Hardware:

IBM 390, Unisys-1100, SUN Microsystems, PC HP, COMPAQ

EDUCATION

BS in Physics, Utkal University, Orissa, India, 1969

PROFESSIONAL EXPERIENCE

May 2013 – October 2013

Java Developer

Spectrum Technology

Created and developed GUI and Java action programs using Java, Struts 1.3, JDBC DB2, and JavaScripts for DoD Defense Information System Defense Health Service Expense Assignment System and ESSENCE systems code maintenance project

Utilized Oracle 11 database, DB2 for back-end coding and COGNOS Report for reporting purposes

participated in daily Scrum meeting and code modification, architectural meetings.

Environment: Java 5, JSP, J2EE, Struts 1.3, MVS, XML, XSL, XSD, JavaScript, Oracle 11g, DB2, Ajax, COGNOS Report, Agile Scrum, Spring, Maven, WebLogic, WebShere servers.

April 2012 – December 2012

Java Developer

ValidTek

Created and developed GUI and Java action programs using Java, Struts 2, iBatis, and JavaScripts for US Department of Housing’s Office of Public and Indian Housing’s Real Estate Assessment Center

Utilized Oracle 11 database for back-end coding and Jasper Report for reporting purposes, Spring Dependency Injection

Environment: Java 5, JSP, J2EE, Struts 2, MVS, XML, XSD, JavaScript, Oracle 11g, Jasper Report. Spring, iBatis, Maven, Glass Fish server.

December 2011 – February 2012

Java Developer

Apex Systems

Analyzed and designed GUI and Java action programs using Java, Struts 2, EJB3, JavaScripts, and JQuery for the Social Security Administration’s disability legacy conversion project

Environment: Java 5, JSP, JSF, EJB3, Struts 2, MVC, XML, JavaScripts, JQuery, Maven, Web Services, IBM RAD, JMS, DB2, AJAX, JPA

April 2011 – July 2011

Java Developer

DynaNet Corporation

Converted legacy system for the Office of Personnel Management’s EPIC project

Analyzed and designed reports using Java, Hibernate, Freemarker FTL files

Environment: Java, JSP, EJB, Struts 2, MVC, XML, Javascript, Web Services, IBM Web Sphere, Adabas, Hibernate, Spring

January 2010 – February 2011

Java Developer

Blue Canopy, LLC

Provided operational and maintenance support for the National Science Foundation’s FastLane system

Performed technical analysis, diagnosis, and resolution of customer service requests

Developed maintenance enhancements for business rules and logic, architectural design of GUI front-end, XML, XSLT, Web Service, WSDL, SOAP for NSBO and cost sharing system, and legacy C, CGI programs, JSP, JSF, Strus 1.3, Sybase

October 2009 – December 2009

Senior Software Engineer

Syneren Technologies Corporation

Converted the Department of Transportation’s Highway Traffic Safety National Driver Registry legacy system

Performed data migration and conversion on Mainframe VSAM and Oracle 10g

Designed JSP web screens and Java Messaging

July 2009 – October 2009

Freelance Java Developer

Education Online

Reengineered existing legacy mainframe systems that support the Annual Wage Reporting systems for the Social Security Administration

Analyzed the existed system and design of the MVC Java/JSP web screen and unit test procedures.

September 2008 – December 2008

Senior Programmer/Analyst

Apex Systems

Reengineered existing, legacy mainframe systems which supports the Annual Wage Reporting systems of the Social Security Administration

Designed WebSphere/Java front-ends and back-end Cobol/CICS/DB2/IDMS programs

Analyzed the existing system, WebSphere JAVA front-end, and existing Cobol/CICS/DB2/IDMS back-end programs

Designed JAVA/JSP/PHP web screens

Developed Struts MVC framework and Swing screen

Designed AJAX Web program for the Annual Wage inquiry screen

Created Detailed Functional Requirements, Unit Test Procedures, and Documents

October 2007 – August 2008

Senior Developer/Analyst

Bart & Associates, Inc

Worked on Homeland Security Customs and Border Protection airport biometrics project, which involved inbound travelers confirmation and referral and enforcement query within TECS (Treasury Enforcement Communications System), NCIC (National Crime Information Center), APIS (Advance Passenger Information System), and (IDENT) Biometric Identification System

Maintained legacy systems for client/server and developed/maintained COBOL/CICS//MQ/DATACOM back-end and front-end JAVA/J2EE/JSP/SWING

Created MQ Client and XML, Web Services(SOAP, WSDL) for arrival flights

Responsible for creating POJOs (Entities) for the flights (arrival & departure)

Responsible for modification and testing tof passengers arrival main Swing screen

Converted COBOL to Java

Designed and architected AJAX Web programs for biometrics inquire programs

Troubleshot, debugged, and maintained the mainframe system

Created PL/SQL Stored Procedures for the passenger in-flight inquiry routine

Provided extensive systems analysis

Wrote specifications for testing

April 2003 – March 2007

Business Application Programmer/Java Programmer

Lockheed Martin

Worked on the Defense Industrial Financial Management System (CASH, GLA, Material, Billing subsystem) of the Finance and Accounting Services of the Department of Defense

Converted character-based, on-line programs to web-based programs using JAVA, JSP, Servlets, HTML, and JavaScript as front-end presentation layer, and existing COBOL program as back-end business layer

Translated and designed report programs in JAVA, J2EE, JSP, Servlet, Java Swing, JDBC, STRUTS, WEB Services (SOAP, WSDL) XML files

Developed PL/SQL Stored Procedures for the CASH and GLA (General Ledger) to access from the JAVA programs

Developed web-based user interfaces JAVA, EJB3, Java Server Faces, JBoss, J2EE/WEB Services programs (SOAP, WSDL) for the Air Force legacy MAPPER programs

Created the Hibernate Mapping XML files

Created POJOs (Entities) for the GLA, Cash, Billing subsystems

Developed Swing screens and program for Billing, GLA, and Cash queries and reports.

Environment: Java, JSP, JSF, EJB, Struts, XML, Java Script, Hibernate, Oracle 9i, JBoss, COBOL Micro Focus, Sun Micro Systems, Solaris, UNIX, Oracle

April 2002 – April 2003

Senior Computer Specialist/Systems Programmer

ACS

Coded and maintained the Defense Industrial Financial Management System (CASH, GAL, Material, Billing subsystem) of the Finance and Accounting Service for the Department of Defense

Performed the initial design of a web-based JAVA/JSP user inter face

Designed micro focus COBOL online screen programs

Converted data from Unisys 1100 to micro focus COBOL

Converted Unisys 1100 database files to ORACLE relational database tables

Environment: Java, JSP, Struts, XML, Java Script, Oracle 9i, TOMCAT, COBOL Micro Focus, Sun Micro Systems, Solaris, UNIX, Oracle, UISYS-1100, ECL

April 2001 – April 2002

Senior Computer Programmer/ Analyst

Planned Systems International, Inc.

Programmed and maintained the Defense Industrial Financial Management System (CASH) for the Finance and Accounting Service of the Department of Defense.

Converted COBOL Unisys-1100 systems to micro focus COBOL and Oracle on-line programs

Generated SAS reports and performed analysis using SAS macros in UNIX operating system.

November 2000 – February 2001

Consultant

Spherion

Coded and maintained AOL’s billing programs

Converted programs in PL1 to C/ C++, UNIX, Oracle PL/SQL, and Stored Procedures

February 1997 – November 2000

Consultant

DMR Consulting Group, Inc.

Developed billing software development systems for the Austrian government’s Post Telecom department, AT&T, Bell Atlantic, Express Track, and Pegasys

Developed and reengineered the message processing, billing, and invoice software using COBOL, PL/1, Assembler, DB2 database, MQ Series, IMS, VSAM, Oracle, REXX, ISPF, CLIST, and MVS TSO operating system

Maintained data conversion programs including AT&T legacy billing database and Andersen Consulting Universal Biller format in COBOL, IMS

October 1996 – February 1997

Senior Computer Programmer/Analyst

Planned Systems International, Inc.

Maintained and developed on-line C++, PL/1, CICS, and DB2 software for the IBM Credit Corporation Contract Preparation Project, which involved the leasing of IBM equipment and billing to customers

May 1995 – September 1996

Senior Computer Programmer/Analyst

Aplhatech Corporation

Designed, developed, and reengineered the programs, database, and on-line data retrieval systems for the National Library of Medicine using PL/1, command level CICS, ORACLE PL/SQL DEVELOPER 2000 FORMS 4.5, C++, INQUIRE database, and Assembler language

Maintained SAS, programs, and files of Library of Medicine Billing systems



Contact this candidate