Feldt has played for the Prime Minister's XIII, and was a member of the Cowboys' 2015 NRL Grand Final and 2016 World Club Challenge winning sides.
[7] In the 2011 NYC Grand Final against the New Zealand Warriors, Feldt had the chance to win the premiership for the North Queensland, however he missed a simple conversion on the full-time siren, and the club lost the match in golden point extra time 31–30.
[10] In Round 21, Feldt made his NRL debut for the North Queensland Cowboys against the South Sydney Rabbitohs, on the wing in the 30–12 win at 1300SMILES Stadium.
[13] After the round 23 match against the Gold Coast Titans, in which he scored two tries in the 22–10 win at 1300SMILES Stadium, Feldt injured his ankle at training, ending his debut season.
[19][20] Feldt finished off the season with 7 tries in 10 matches before returning to the Pride where he came off the bench and scored a try in their Queensland Cup Grand Final win over the Brisbane Tigers.
[26][27] Feldt returned to first grade in Round 24, scoring a hat-trick of tries in the match against the New Zealand Warriors at Mt Smart Stadium, which North Queensland won 50–16.
[30][31] Feldt finished off his premiership winning 2015 NRL season having played in nine matches, scoring eight tries and kicking one goal.
[34] On 5 May, Feldt was named on the wing in QRL journalist Tony Webeck's Queensland Residents team of the past ten years.
[37] In January, Feldt was a member of the QAS Emerging Origin squad,[38] and played in the Auckland Nines for the 4th consecutive year.
North Queensland backup goal kicker Ethan Lowe nailed the kick from the sideline to win the match 14–12.
On 23 January 2018, Feldt starred in the testimonial match for Johnathan Thurston and Cameron Smith, as North Queensland played their last year grand final opponents the Melbourne Storm.
[46] In June, in the lead up to Game 2 of the 2018 State of Origin series, Feldt was selected as 19th man for Queensland as cover for the backline.
[50] Feldt played in all 16 of North Queensland's remaining games following his return from injury, scoring 11 tries and finishing as the club's top try scorer for the fourth consecutive season.
[60] Feldt played 20 games for North Queensland in the 2021 NRL season and finished as the club's top try scorer with twelve tries.
[62] In round 11, Feldt was taken from the field during North Queensland's victory against Melbourne after being hit in a cannonball tackle by Brandon Smith.
[63] Feldt played a total of 20 games for North Queensland in 2022 and scored eleven tries as the club finished third on the table after the regular season concluded.
[76] In round 1 of the 2025 Super League season, Feldt made his official club debut for St Helens and scored a try in their 82-0 victory over Salford.