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Kateryna Hrytsaienko is a skilled Senior Java Developer at Valtech since August 2021, also serving as a Java Consultant. In addition, Kateryna has been an active Mentor for Google Developers Student Clubs and a Women Techmakers Ambassador for Google since May 2022. Kateryna's role as a Technical Author at Baeldung, starting in August 2023, focuses on writing about Java and Spring. Previously, Kateryna led the Google Developer Student Clubs at Kyiv Polytechnic Institute, managing a community of over 1,000 followers and overseeing a volunteer Core Team. Early experience includes positions such as Junior Java Developer at Binary Studio and freelance Software Engineer. Kateryna completed a Bachelor's degree in Computer Software Engineering from the National Technical University of Ukraine 'Kyiv Polytechnic Institute'​ in 2022.