In 2001, she began her career at the Ministry of Foreign Affairs.[2] Between 2006 and 2007 she was working as a Third Secretary at the Permanent Mission of the Republic of Poland to the United Nations Office in Geneva.[2] From 2007 to 2011 she was Second and First Secretary at the Embassy in Washington,[2] being responsible for economic, climate and energy issues. Afterwards, she was heading the unit at the Minister's secretary.[2] In 2013, she became deputy director, and later director of the Department of Economic Cooperation, being in charge of, among other, coordinating cooperation with OECD, IMF, UNCTAD, EBRD, EIB.[3]
In October 2015, Barbarzak was nominated as Poland's ambassador to Greece.[2] She presented her letter of credence on 21 January 2016.[4] During her time as ambassador she increased cooperation between the Polish and Greek shipbuilding industries.[5] She also attempted to expand the tourism cooperation between the two countries by pushing new promotional initiatives.[6] She ended her term in 2019.[7]
From 2023 to 2024, Barbarzak was Minister-Counsellor for the World Intellectual Property Organization at the Polish mission to the UN.[8] Since 2024 she has been Minister Plenipotentiary for the World Intellectual Property Organization, CERN, and the International Telecommunication Union.[9]
