[1] He has played for professional club Brunei DPMM FC (alongside brothers Shah Razen and Adi) as well as local powerhouses MS ABDB where he had won two FA Cup medals.
[2] Amalul started his career alongside his brother Shah Razen at AH United, a club that fielded established national team players such as Sallehuddin Damit and Fadlin Galawat.
[7] Amalul's impressive league form led to an invite to train with royalty-owned Brunei DPMM FC in preparation for the 2012 S.League, where Shah Razen was currently playing.
[9] Although Adi progressed well at DPMM, it was the reverse for Amalul who endured a tough spell at the club, primarily unable to displace Subhi Bakir at his preferred right-back role.
[18][19] After becoming a regular for his club Kota Ranger FC, Amalul was recalled to the national team after five years in December 2017 for the 2017 Aceh World Solidarity Tsunami Cup.