Julien is a developer who works at France Labs, on their enterprise search engine named Datafari. Originally specialized in back-end programming, he decided 2 years ago to jump into the Big Data wagon and worked on log treatment projects using technologies such as Hadoop, Elasticsearch, Logstash and Kibana. He is now adding new features on Datafari, in particular semantics and analytics features, while gaining even more expertise on Solr and Elasticsearch.