Club Brugge Gunst grew up in
Desselgem,
West Flanders. He joined local team KWS Desselgem at a young age and later made the move to
Zulte Waregem. He made his debut for the East Flemish on 2 September in a 2–1 win over
Sint-Truiden. He made his debut on 2 August in the season opener against
VVV-Venlo. Halfway through the season, he suffered a serious injury, sidelining him for an extended period. The 2014–15 season was a success both collectively and individually. He scored his first goal for Eindhoven against
Telstar on 24 October 2014, and at the end of the season, the club had set a points record and finished second in the league table after champions
NEC. In the play-offs, Eindhoven lost to
FC Volendam. Gunst recorded 12 assists that season and scored three goals. he eventually signed a new contract with Eindhoven until 2018. That season, Gunst suffered a serious knee injury, which would eventually leave him sidelined for 8 months.
Later career In August 2018, Gunst signed a two-year contract with league rivals
MVV. He made 29 appearances for the club in his first season, before his contract was terminated by mutual consent in November 2019. This occurred after media reported that he and
Pieter Nys had started an uprising against head coach
Fuat Usta. On 9 January 2020, Gunst signed a one-and-a-half-year contract plus a one-year option with
Roda JC. His first game was against his previous club MVV, which ended in a 2–2 draw. In 2020, Gunst returned to Belgium where he signed with
Roeselare, but that club went bankrupt in September 2020 and he became a free agent. ==After football==