HJK Helsinki Hetemaj started his career at the youth academy of
HJK Helsinki, After seven matches, He was again on playing condition in October 2007, but he did not play for AEK and in January 2008 he was loaned to
Apollon Kalamarias until the end of the season to gain more playing experience. He scored his first goal in the
Super League Greece on 23 February 2008 against
Asteras Tripolis. He played a total of eight matches for Apollon Kalamarias in the 2007–08, and for the following season Hetemaj played nine league matches with AEK.
Twente On 31 August 2009, Hetemaj signed a 1+1 year contract with Dutch club
FC Twente as part of an exchange deal for
Youssouf Hersi. Hetemaj started the season
2009–10 in the reserve team but was unable to break through to the first team that won the
Eredivisie.
Brescia Even before having played a match for Twente, Hetemaj only played four matches in
2009–10 Serie B; He made his Serie A debut on 12 September 2010, playing the full minutes in a 3–2 home victory over
Palermo. He scored his first Serie A goal on 22 September 2010 against
Roma, becoming the first Finnish footballer to score in Serie A and arousing Roma's interest in him.
Chievo On 30 June 2011, Hetemaj signed for Serie A side
Chievo in a
co-ownership deal for €1.4 million. As a result, he chose the number 56 shirt number at the club. He made his debut for Chievo on 11 September 2011 against
Novara, when he provided an assist to
Cyril Théréau score the second goal of Chievo in the drawn. At the end of the season and after 32 league matches, Chievo bought Hetemaj's full rights on 18 June 2012 for an additional €800,000. In the 2012–13 season and the 2013–2014, Hetemaj played 30 and 32 league matches respectively and did not score in any competition. After four years at Chievo and 130 Serie A matches, he scored his first goal for the club on 12 September 2015 in a 1–1 draw against
Juventus. During his time with the club, Hetemaj recorded 249 appearances in all competitions combined.
Benevento On 2 September 2019, Hetemaj signed a two-year contract with the
Serie B club
Benevento. At the end of his first season with the club coached by
Filippo Inzaghi, Benevento won the Serie B title and were promoted to Serie A.
Reggina On 28 July 2021, Hetemaj joined
Serie B side
Reggina on a one-year deal. He negotiated to terminate his contract on 21 April 2022 three games prior to the season ending, and returned to Finland to join his former club HJK Helsinki for the
2022 Veikkausliiga season.
Return to HJK On 21 April 2022, Hetemaj returned to
HJK and signed a two-year contract with an option for a third. During the 2022 season, Hetemaj played in 29 games in all competitions combined and recorded four goals, including both of HJK’s goals in the
UEFA Europa League group stage, against
AS Roma and
Ludogorets. On 14 December 2023, Hetemaj scored a goal from penalty in his last official match as a professional footballer, in a 4–2 away loss against
PAOK in the
UEFA Conference League. ==International career==