Following that, he worked on the fishing trawler RT-142 trawlflot in the fleet Glavmurmanrybprom[2] and as a plumbing technician in the Stalinshakhtostroy building unit.

After that, he worked as the special production department's deputy director for manufacturing and administration before taking over as head of the sheet rolling business.

He had been a member of many groups, such as United Ukraine and European Choice, before temporarily joining the Party of Regions in November 2003 and staying there until September 2005.

From 2006 to 2007, he served as the Socialist Party's People's Deputy of Ukraine for the 5th convocation and made contributions to the committee on Industrial and Regulatory Policy and Entrepreneurship.

[6] Boyko's farewell for Mariupol locals took place in the Karl Marx Palace of Culture on Friday, 12 June from 9:00 to 14:00.

[10] Citizens in Ukraine received no wages as companies closed one before another; the Illich Steel and Iron Works saw success back then, Boyko provided employment for many Mariupol locals.

The Western stadium, where the Ukraine women's national football team played in the successful Euro 2009, was constructed.

[11] Boyko has an honorary sixth place on the list of 130 richest Ukrainians with a fortune of $3.15 billion, according to Fokus magazine's evaluation, which was published in March 2008.

[7] Boyko received the gold medal from the WIPO Academy in 2006 in recognition of his exceptional contribution to the growth of creative endeavors in Ukraine.

[2] A commemorative Bronze bust honoring him was unveiled on the exterior of the Pryazovskyi State Technical University's first building in Mariupol on 21 October 2017.