He has worked as a teacher, researcher, programmer, analyst, and writer, and he now works as an architect in all types of projects related to Java, especially J2EE. As a teacher, has taken over 1,000 hours of training in basic Java, J2EE, and the Struts framework. As a researcher, he has worked in the field of information retrieval, developing applications for processing large amounts of data in Java, and has participated as a coauthor in several journal articles and conference presentations. Recently, he worked on developing J2EE web applications for various clients from different sectors (public administration, insurance, healthcare, transportation, and so on). Currently, he works as a software architect. He is the author of the book, Java 7 Concurrency Cookbook and Mastering Concurrency Programming with Java 8 by Packt.