Si Joebert ay nagsimulang gumamit ng Linux at Open Source software noong 2001. Pagkatapos ng kursong BS Mathematics sa UP Diliman ay nagtrabaho siya bilang Linux Systems Administrator sa Departament of Mathematics habang nag-aaral ng MS Computer Science sa naturang pamantasan. Nanatili siya sa ganung uri ng trabaho at nagpalipat lipat sa mga pribadong kumpanya sa iba’t ibang industriya. Sa kasalukuyan siya ay tumatayong IT Specialist sa IBM Solutions Delivery kung saan siya ay napapabilang sa Development Support Team. Kabilang sa mga teknolohiyang Free and Open Source Software na ginagamit niya ay Java, Eclipse, Hibernate, Subversion, Maven, Artifactory, at marami pang iba. Siya ang mayakda ng Prenda, isang Pawnshop Management Software na may GPL license. Joebert started using Linux and Open Source software last 2001. After finishing BS Mathematics at UP Diliman, he worked as Linux Systems Administrator at the Department of Mathematics while studying MS Computer Science on the said university. He stayed on that kind of work and have since joined various private companies of different industries. Currently he is an IT Specialist at IBM Solutions Delivery where he is assigned on Development Support Team. Some of the Free and Open Source Software technologies he is using are Java, Eclipse, Hibernate, Subversion, Maven, Artifactory, etc. He is the author of Prenda a Pawnshop Management Software with a GPL license.