Jaap van der Leer is een expert van Channelweb voor de topics Development en Security.
Applicatiebeheer, Beveiliging, Commercie, Consulting/advies, Database-engineering, Datacom/telecom, Embedded systems, Functioneel ontwerp, Management, Informatieanalyse, Marketing/promotie, Kwaliteitszorg, Multimedia, Netwerk engineering/beheer, Projectmanagement, Research/wetenschap, Software-ontwikkeling, Systeembeheer, Technisch ontwerp, Testen/implementeren, Training/opleiding en Webmanagement.
Management, Digital Transformation, Business Analytics, Datamanagement, ERP, CRM, Development, Cloud Computing, Internet, Mobility, Infrastructuur, Datacenters, Security, Beheer, ICT-branche, Overheid, Zorg, Smart Logistics, Onderwijs, Loopbaan, Maatschappij, Start-ups, Digital Workplace, Fintech en Digital Innovation.
Agile, BiSL, CMM, Cobit, IPMA, ISO-20000, ISTQB, ITIL, J2EE, Prince2, Ruby(on Rails), RUP, Scrum, SDM, TMap, UML, Datawarehouse, DevOps en Hibernate.
.Net , Android, ASP, C, C#, C++, Cobol, Fortran, Java, Javascript, JSP, PHP, PL/SQL, SQL, Visual Basic en XML.
Access, Apache, Excel, Exchange, Joomla!, Linux, Mac (OS X), Oracle-software, SAP-software, SharePoint, Siebel, SQL Server, Sybase, Unix, VMWare, WebLogic, WebSphere, Windows Azure, Windows PC, Windows Server, Wireless, Wordpress, Salesforce en Microsoft Dynamics.