Dynamo Kyiv Born in
Zaporizhia,
Ukrainian Soviet Socialist Republic, Oliynyk joined
Dynamo Kyiv in 2004. There he was featured frequently in
Dynamo-3,
Dynamo-2 and the
reserve squad of the main team. Although Oliynyk played two matches for Dynamo's senior squad in the
2006–07 season, he was not officially promoted to the main team until in May 2008 after the end of the
2007–08 season by new coach
Yuri Semin.
Naftovyk-Ukrnafta Okhtyrka (loan) For part of the 2007–08 season, Oliynyk was loaned to then-
Ukrainian Premier League club
Naftovyk-Ukrnafta Okhtyrka. He stayed there until the end of the 2007 calendar year.
Arsenal Kyiv (loan) For the first half of the 2008–09 season, Oliynyk was loaned, alongside teammate
Vitaliy Mandzyuk, to
Arsenal Kyiv in July 2008. His time with Arsenal was extremely impressive as he quickly became one of the leaders of the midfield and attack.
Metalist Kharkiv Seeking to strengthen his team for the
2008–09 UEFA Cup,
Metalist Kharkiv coach
Myron Markevych purchased Oliynyk during the winter transfer season. Oliynyk established himself in the squad and played in the
UEFA Cup and in the Ukrainian Premier League.
Dnipro Dnipropetrovsk In July 2011, Oliynyk changed club to join fellow Premier League side
Dnipro Dnipropetrovsk.
Vitesse Arnhem On 26 May 2014, Oliynyk signed a two-year contract at Dutch
Eredivisie club
Vitesse.
Darmstadt On 9 August 2016, Oliynyk joined German
Bundesliga side
Darmstadt 98.
LNZ Cherkasy In 2023, he moved to newly promoted
Ukrainian Premier League club
LNZ Cherkasy. In January 2025, he announced his retirement from professional football.
Avanhard Lozova In summer 2025 he signed for
Avanhard Lozova. ==Personal life==