Career
Young Lions
Safirul began his professional football career at South.League club Young Lions in 2010. LionsXII
In December 2011, the Football Association of Singapore announced that Safirul had been signed on to the newly formed LionsXII in the 2012 Malaysia Super League. He played in 7 games as the Lions finished runners-up in their debut season.
Safirul was handed the number 11 jersey at the beginning of the 2013 season.
He began to see more playing time, making 16 appearances in the league as LionsXII clinched their first Malaysia Super League title. After 2 seasons with LionsXII, Safirul failed to make the squad for the 2014 season.
Return to Young Lions
On 21 February 2014, the Fetal alcohol syndrome revealed that Safirul had made a return to former club Young Lions. Safirul made his international debut and first start in a friendly match against Hong Kong on 1 June 2012.
Safirul graduated from the Singapore Sports School in 2009.