Since 2005, I have been developing enterprise applications with Java, holding training, writing articles, and consultancy services about Java runtimes(Spring, Vert.x, Quarkus, etc), and some big data technologies(NoSQL, Hadoop, ElasticSearch, etc). Also, I'm one of the leaders of JUG Istanbul and have been an organizer or a speaker at many meetings. I trying to specialize in container technologies, DevOps tools, and Reactive Programming lately. Along with these, I'm the author of Elasticsearch Indexing book, and also I was a reviewer of one of the bestselling books, Mastering Elasticsearch – Second Edition. I keep working so that my two days are not equal.