Steve Oskar Robert Gustafsson was born on February 22, 1988 in Härlanda and made his IFK Göteborg debut in the 2007 season, which was also the debut season of team mate Tobias Hysén. Gustafsson was part of IFK Göteborg's youth program before making his debute with the first team, and is as a result of that regarded by the club as a home-grown player. At 20 years, 2 months and 8 days, on May 1, 2008, he took part his first competetive game against Skövde AIK in a Svenska cupen game that ended 2–1. He has spent one season with the IFK Göteborgs first team, and during his career he played in 1 first team game. 33 year old Gustafsson completed his last season with IFK Göteborg 2007.