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Sergey Sergienko has recent work experience as a QA Engineer at DiPocket Group since December 2020. Prior to that, they worked as a Quality Assurance Test Engineer at CS Ltd from October 2020 to August 2021. Before that, they had roles as a Junior QA Engineer and a QA Trainee at NearShorePartner.ch from August 2019 to October 2020, with the trainee position lasting from September to October 2019.

Sergey Sergienko obtained their Bachelor's degree in electric power supply from Kharkov Railway College in 2008. Sergey then pursued a Master's degree in Finance and Banking from Kharkov Trade and Economic Institute KNTEU, completing their studies in 2013.

In terms of additional certifications, Sergey obtained a certification in Software QA Automation (Java) from Ukrainian IT School in September 2021. In December 2016, they also gained certifications in BASIC WEB AND SQL FOR SOFTWARE TESTING and Software Testing from SKILLUP in Ukraine.