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Joanna Ratajczak currently works as an Angular Developer at Viessmann Research & Development Center, a position held since May 2019, and has also served as a Junior Node.js Developer and IT Specialist in the same organization. Prior to this role, Joanna was employed at Euroklimat as an Inżynier budowy from August 2018 to January 2019 and worked as a Claim and Delay Specialist at CAS Sp. z o.o. from January 2017 to May 2018. Joanna's experience includes an internship at Daegu City Hall in late 2014. Educationally, Joanna holds a Master of Science in Environmental Engineering Technology from Wroclaw University of Science and Technology and participated in non-degree programs related to Business and Commerce at Kyungpook National University.