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Alexandr Kovalenko is a Senior Ruby on Rails engineer, Team Lead, and Software Architect at iTechArt Group, where they design web applications and lead a development team. With a Master's degree in Automatic Data Processing Systems from the Belarusian State University of Informatics and Radioelectronics, Alexandr has extensive experience in high-load software systems, having previously served as CEO and co-founder of Twinslash and Chief Technology Officer at Transinet. Their technology stack includes Ruby, Ruby on Rails, and various database systems, along with a robust background in logistics and transportation. Additionally, Alexandr has a passion for chess.