[citation needed] In 2009, Musolli starts the career as a professional player to Football Superleague of Kosovo side Hysi, where he played for three years.

He made his debut later on 25 August in the club's first ever top flight match against Luftëtari Gjirokastër which ended in a goalless draw.

[6] Five days later, Musolli scored his first-ever league goal for the club in his 200th appearance in all competitions, netting a tap-in in a 2–0 home win over Vllaznia Shkodër.

[11] Musolli suffered a major injury on 15 September during the league match against Teuta Durrës and was replaced at half time.

[13] On 5 June 2017, Musolli received his first call-up from Kosovo for the 2018 FIFA World Cup qualification match against Turkey.