Bill Corsar Email & Phone Number

Re-platformed a SAS/VB-Based application running in a Windows environment into an application utilizing JAVA factory design, Oracle and Netezza database structures, and TIBCO BusinessWorks and Business Events orchestration tools.Implemented a series of projects taking advantage of the ability to run JAVA/SOA applications in a Mainframe environment. This included code that would send/receive SOAP messages and data from a local data warehouse for processing on MVS. Successfully used proc/JCL symbolics to control environment definitions and JAVA/JZOS parameters.Performed requirements gathering, analysis, design, and implementation of a cross-platform Rules Engine process which extracted data/reports from Mainframe processing for verification on a jBoss/jBPM server. An integrated strategy using REXX, USS, JZOS, WD4Z, JAVA on the Mainframe, JMS, JAVA on jBoss, and NFS file system mounts was used to successfully accomplish this task, increasing overall quality while reducing validation time by 70%.Project Lead and developer responsible for analysis, design, and delivery of a number of high profile/impact business initiatives. Worked extensively with SQA and UAT groups ensure successful delivery to production.

Provided leadership and techical coding expertise in remediating and testing of the PL/1/IMS and COBOL/DB2 code base for AT&T's billing and collections systems for the year 2000 initiative.

Developed and maintain PL1/-IMS-DB2 and COBOL/DB2 code base for the Local Bell company disptach systems. (WFADO)

Responsible for devleopment and maintenance of the AT&T Collections system written in PL/1, COBOL, and IMS.Responsible for devleopment and maintenance of the AT&T Billng system written in PL/1, COBOL, and IMS.Particpated in projects related to incorporating a client/server achitecture into the mainframe environment and build GUI based front-ends to predominantly main-framed based systems.