He played for the Cronulla-Sutherland Sharks in the NRL,[6] and was part of the Cronulla team that won their maiden premiership title in the 2016 season.

[10] In his second game in Round 9 against the Wests Tigers at SFS, Feki scored his first and second NRL career tries in the Sharks 30-6 win.

On 8 October 2013, Feki was named in the 24 man Tonga national rugby league team squad for the 2013 World Cup.

[15] Feki was the Cronulla-Sutherland Sharks highest tryscorer of the 2014 NRL season with 9 tries in 20 matches although his efforts were not enough to save the club from finishing last on the table.

[17] On 7 October 2014, Feki was selected in the New Zealand national rugby league team final 24-man squad for the series,[18] but didn't play a match in the tournament.

In October, Feki played in Cronulla-Sutherland's 2016 NRL Grand Final victory over Melbourne Storm, however, he was forced off with a knee injury in the second half.

[26] On 3 July, Feki signed a three-year contract to join English side Castleford Tigers for the 2020 Super League season.