Lubos Krnac started his career as an embedded Software Developer and these capabilities were also the focus of his studies. Eventually, he moved towards Java and Spring development. For nearly seven years, he worked on Web and Enterprise projects of various sizes and domains. He has has experience developing applications based on most of the Spring frameworks covered by this book, and gained his Spring Enterprise Integration Specialist certification in 2014. He is naturally amazed by Spring ecosystem, and has a passion for automation and testing. One of the reasons why Spring is the framework of choice for him is its testability. Lubos writes blog posts on his site lkrnac-dot-net, which are often re-published on DZone, Java Code Geeks and Web Code Geeks. He is also interested in modern JavaScript development: ES6, Node.JS, Grunt, Gulp, loopback.js, Angular.js. His twitter handle is @luboskrnac, and email address is lubos.krnac@gmail-dot-com.