jPrime is a conference with talks on Java, various languages on the JVM, mobile, web and best practices.
Its forth edition will be held on 29th and 30th May 2018 in Sofia Tech Park. It's run by the Bulgarian Java User Group and backed by the biggest companies in the city.

jPrime features a combination of great international speakers along with the best presenters from Bulgaria and the Balkans.
It is divided in two tracks and provides great opportunities for learning, hacking, networking and fun.