After completing his computer science, engineering degree, Amritendu De has spent the last 16+ years working in the IT industry. He has worked for organizations such as HP, IBM and Oracle in various capacities and is currently working with IBM again as a Technical Solution Architect. He has worked extensively on Java and related technologies; has been involved in end-to-end product development for CRM, Utilities and Data Center Infrastructure Management business domains; and holds Sun Certified Java Enterprise Architect (SCEA) certification. He is the author of three books - Oracle Certified Master Java EE Enterprise Architect Practice Guide, Oracle Certified Associate Java SE 7 and SE 6 Practice Exams and Spring, Hibernate, Data Modeling, REST and TDD:Agile Java Design and Development.