Operating Systems: Windows Server, Linux

Languages: Java, C#, PHP, Ruby, SQL, T-SQL, PL/SQL, Javascript

Frameworks:
Microsoft: .Net 2.0-4.0, WCF, WF, ASP.Net, ADO.Net, ASP.Net MVC, nHibernate, Spring.Net, MSMQ
Java: Java SE, Java EE, JAX-WS, JAXB, Apache CXF, Hibernate, Spring, JMS

Databases: MySQL, Oracle, SQL Server

Integration Products & Frameworks: Apache ServiceMix, Open ESB, Apache Camel, Apache ActiveMQ, Biztalk

Concepts: Service Oriented Architecture (SOA), Business Process Management (BPM), Business Process Integration, Enterprise Application Integration (EAI), Representational State Transfer (REST), Cloud Computing, Web 2.0, Asynchronous Javascript and XML (AJAX)

Methodologies: Agile, Scrum, eXtreme Programming, Domain-Driven Design