Information Systems Architecture (TOGAF), Service Oriented Architectures (SOA), n-Tiers architectures, client-server, distributed architectures.
Suite ARIS (ARIS Design Platform, ARIS Risk and Compliance Manager, ARIS Business Publisher, MashZone).
DB2, Oracle, MySQL, Postgres SQL, SQL Server.
Tomcat, Websphere, IIS.NET, Weblogic, JBoss, Alfresco.
UML, Merise, Agile Scrum.