UIKit Core Data Core Animation and Core Graphics.

z/OS SQL DB2 UDB DB2 performance tuning

Mac OS C++ Mac OS/Xcode Github Jenkins

IDS IPS security Framework IaaS PaaS

full-stack developer IOS Android mobile apps

ios/Android

VBA Python ENOVIA LCA CATIA V5

DASD z/OS z/VM SMP/E JES/EJES

QFSDP Solaris Linux OS Oracle ZFS Storage Appliances Oracle Exadata Storage Servers

C# Data Structures Java Microsoft Azure Mobile Application Development

Microsoft Azure TLS SQL IIS Apache

COBOL DB2 SAS JCL IMS

Mainframe IMS DB2 Application DBA Data Sharing SEIBEL DB2 Connect

Oracle Retail POS Oracle Xstore POS GK POS development JAVA/J2EE SOAP

.Net Developer with MVC SQL Server AJAX ASP.net C#