Competitive programming. Algorithmic/computer science contests
2006-2011: Participation in more than 100 TopCoder data science (algorithmic) contests
2003: Certificate of I Degree, Winner of All-Ukrainian Olympiad «Olympiad 2003» of Students in Informatics, “Engineering sciences”. (Ukraine, Kharkiv)
2002: Certificate of III Degree in All-Ukrainian Olympiad of Students in Speciality “Programming”. (Ukraine, Kharkiv)
2002: Certificate of I Degree in All-Ukrainian Olympiad of Students in Speciality “Informatics”.
2002: Third place and Best Solution of First Round in XI All-Ukrainian Olympiad in Informatics of Students. (Ukraine, Kharkiv)
1998: Bronze medallist of IOI’98 (International Olympiad in Informatics, 1998), Setubal, Portugal.