David is a results oriented professional with a proven track record of inspiring excellence in technical teams. He has extensive experience in software architecture, design and development on UNIX (HP/AIX/Redhat), and Windows based systems. David has built his career on designing and implementing mission critical Data Mediation systems and billing systems that have some of the highest transaction rates in the world.I have extensive international experience, working on assignments in Belgium, Bulgaria, Saudi Arabia, South Korea, Australia, Argentina, Brazil, Germany, England, Switzerland, Mexico, and Canada.Currently a member of an Agile XP team, designing and developing features in a Care Management system used in the health care industry.Specialties: Domain skills: Customer Relationship Management, Outbound Marketing and Campaign Management, Data Mediation and Collection, Roaming, Billing, Order Management, Workflow, Inventory Management, Broadband/Wireless/Wireline.Primary Technical Skills: Java, REST services, Maven, Weblogic, Tomcat, J2EE, JSP, XML, SQL, Oracle, Apache, Unix (Linux, IBM-AIX, HP-UX), Korn Shell (ksh), Windows.Secondary Technical Skills: ElasticSearch, Kafka, ETL, Spring.Communication Protocols: TCP/IP, FTP, FTAM, HDLC/LAPB, X.25, BX.25, ISDN, DAS, AMATPS.