He played from 1990 to 2003, for Rabat Ajax, Hibernians, Ħamrun Spartans and Mosta.

[2] Valletta competed in the Champions League in July 2008 and were eliminated by Artmedia Petrzalka.

He managed to build up a squad with great teamwork and on 30 April 2010, his side beat Tarxien Rainbows and won the Maltese Premier League title with a game to play.

[8] On 23 October 2021 Zammit has been confirmed as the new coach of Balzan F.C., signing a two-years contract.

[9] He parted ways with the club on 25 April 2022 by mutual agreement, after a poor run of form.