Arbnor Muja

Eintracht Braunschweig II

On 15 August 2018, Muja signed a two-year contract with Oberliga Niedersachsen club Eintracht Braunschweig II. Seventeen days later, he made his debut against Arminia Hannover after being named in the starting line-up and scored his side's second goal during a 3–3 home draw. One month after debut, he was named as a first team substitute for the first time in the 2018–19 Lower Saxony Cup quarter-finals against SV Drochtersen/Assel.

Skënderbeu Korçë

On 31 August 2019, Muja signed a two-year contract with Kategoria Superiore club Skënderbeu Korçë. Fourteen days later, he made his debut in a 3–1 away defeat against Tirana after coming on as a substitute in the 41st minute in place of injured Gjergji Muzaka.

Return to Trepça '89 as loan

On 31 January 2020, Muja joined as loan to Kosovo Superleague club Trepça '89. One month later, he made his debut in a 3–0 away defeat against Feronikeli after being named in the starting line-up.

Drita

On 16 June 2021, Muja signed a three-year contract with Kosovo Superleague club Drita. On 8 July 2021, he made his debut with Drita in the 2021–22 UEFA Europa Conference League first qualifying round against the Montenegrin side Dečić after being named in the starting line-up, and assists in his side's second goal during a 2–1 home win.

Antwerp

On 28 July 2022, Belgian First Division A club Antwerp reached an agreement with Drita for the transfer of Muja and this deal was…

Kosovo

On 4 October 2018, Muja received a call-up from Kosovo U21 for the 2019 UEFA European Under-21 Championship qualification match against Israel U21, and made his debut after coming on as a substitute at 64th minute in place of Muharrem Jashari. On 17 March 2023, Muja received a call-up from Kosovo for the UEFA Euro 2024 qualifying matches against Israel and Andorra, but he was an unused substitute in these matches. In June 2023, Muja received again a call-up from Kosovo for the UEFA Euro 2024 qualifying matches against Romania and Belarus, but he declined the call-up as he had not received a guarantee that he will start in these matches.

Albania

On 15 August 2023, Muja obtained the Albanian passport, making him eligible to play for the Albania national team. Head of the Department of Public Relations of the Albanian Football Association, Andi Verçani confirmed two days later through an interview for Koha Ditore that Muja will be called up by Albania in September 2023 for the UEFA Euro 2024 qualifying matches against Czech Republic and Poland. On 1 September 2023, he formalizes the decision and accept their call-up for the UEFA Euro 2024 qualifying matches against Czech Republic and Poland. He made his debut in the match drawn 1–1 at home to the Czechs.

Club

As of 11 November 2023

International

As of match played 17 November 2023

Muja was born in Mitrovica, FR Yugoslavia and is the younger brother Ardian Muja is a footballer who plays as a right winger for the Kosovan club Prishtina, and have been teammates in the Kosovan clubs Trepça (before 2017) and Trepça '89 (2017–2018, 2021–2022).