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Zakhar Kostenko is a QA Engineer at QArea since February 2021, specializing in functional and regression testing, bug report creation, test case development, issue verification, and participating in SCRUM-team activities. Prior to this role, Zakhar worked as a Remote Copywriter at Digital-Agency Grow up from September 2017 to February 2021, assisting clients across various industries in effective brand building. Zakhar's career began at RPI Hartron Arkos, where from August 2010 to September 2017, responsibilities included testing, monitoring, and supporting devices in aerospace and nuclear industries, along with developing design documentation and conducting pre-launch testing. Zakhar holds a Master's degree in the production of electronic devices from Kharkiv National University of Radioelectronics, earned between 2005 and 2010.