Elasticsearch develops and distributes technology and information that is subject to U.S. and other countries' export controls and licensing requirements for individuals who are located in or are nationals of the following sanctioned countries and regions: Belarus, Cuba, Iran, North Korea, Syria, or Russia, including the Ukrainian territories annexed by Russia (The Crimea region of Ukraine, The Donetsk People''s Republic (DNR), The Luhansk People''s Republic (LNR), Kherson or Zaporizhzhia). Hands-on experience with search and indexing technologies such as Elasticsearch, Lucene, or Solr, Strong skills in core Java and familiarity with advanced data structures and concurrency constructs, as well as newer language features like lambdas.