Software Development

Java Platform

Web Development: Play! Framework, JSP, Servlets, Spring, Struts
RESTful Web services: Jersey, Spring 3 REST
Authentication & Authorization: OAuth 1.0/2.0, Spring Security
Persistence: JPA, JDBC, Hibernate
Build Tools: Ant, Maven
Application Servers: Play!, Tomcat, Jetty, Grizzly
Messaging & Format support: JMS, Apache ActiveMQ, JSON, XML
Testing: JUnit, JerseyTest
Development Tools: Intellij IDEA, Eclipse

Apple Platform

iOS: iPhone/iPad/iPod Touch app development
MacOS: Native Mac app development, packaging
Cocoa & Cocoa Touch Frameworks: Core Audio, Core Animation, Core Data, Quartz, OpenGL, MapKit, Twitter
Mobile persistence: Sqlite, Mobile Couchbase
Development Tools: Xcode, Interface Builder

PHP Platform

Frameworks: CodeIgniter, Symfony
CMS: CMS Made Simple, Wordpress
Smarty template engine, AdoDB

Databases

MySQL, MS SQL, Sqlite, CouchDB

Developer Tools

GIT, SVN, CVS, Bugzilla, Eventum
UML, Enteprise Architect, Design Patterns

"Best practices"

Continuous integration
Daily Build and Smoke Test
Throwaway Prototyping
Evolutionary Delivery
Top 10 Risk List