Smith was promoted to the senior Leeds squad prior to the 2012 season, and was allocated squad number 30.[9] However, he did not make any first-team appearances for the Rhinos.
Oldham (dual registration)
In June 2012, Smith joined Championship 1 side Oldham on dual registration.[7] He made four appearances for the Roughyeds.
South Sydney Rabbitohs
Smith moved to Australia in 2013 to play for South Sydney Rabbitohs under-20 side, where he made 24 appearances.[10] At the end of his time down under, he recalled "Australia was the best experience of my life. It’s changed me massively on and off the field."[11]
Wakefield Trinity Wildcats
Smith returned to England at the end of the year, signing a two-year contract with the Wakefield Trinity Wildcats in October 2013.[11][12]
In 2014, he regularly appeared for Wakefield as a prop, and he scored 3 tries in 20 appearances.[13] In July 2014, Smith signed a new three-year deal with Wakefield.[14]
In 2015, he made a further 19 appearances and scored 4 tries, before leaving for Huddersfield in July as part of a deal that saw Anthony Mullally move the other way.[15]
Featherstone Rovers (dual registration)
In 2014, Smith played one game for Featherstone Rovers on dual registration, scoring a try in his only appearance.[13]
He scored his first try for the Giants against his previous club Wakefield just weeks after completing his move away.[16]
On 27 March 2019, Huddersfield announced that, as of 1 April, Smith would be released from the final year of his contract due to "him not featuring in [head coach] Simon [Woolford]'s plans".[17] Across his time with Huddersfield, Smith made 50 appearances and scored 5 tries.[13]
Oldham (loan)
Smith re-joined Oldham, this time playing in the Championship, on loan from Huddersfield in 2017. Across July, he made 3 appearances and scored 1 try.[13]
Featherstone Rovers (loan)
Smith re-joined Featherstone Rovers on a one-month loan deal in January 2019.[18] In his second stint at the club, he made 5 appearances and scored 2 tries.[13]
Castleford Tigers
On 2 April 2019, Castleford Tigers announced the signing of Smith on a deal until the end of the 2020 season.[19] He was assigned squad number 34. Castleford Director of Rugby Jon Wells said, "Daniel has been a target of ours for some time now and we are fortunate that the opportunity has arisen to bring him to the club earlier than we anticipated."[19] Smith himself said of the signing: "I'm from here and I've always wanted to play for this club. I hope this is my last move."[20]
Smith returned to the John Smith's Stadium on his first Tigers appearance, making his Castleford début against his previous club Huddersfield on 11 April 2019.[21] He went on to appear 19 times for Castleford in 2019, scoring 1 try.[13]Castleford Director of Rugby Jon Wells described him as a "hard-running, ball-playing, offloading" forward.[19]
In 2020, Smith played in every game for Castleford until the season was suspended due to the Covid-19 pandemic. A pectoral injury disrupted his return upon Super League's resumption in August and limited him to 10 appearances that year.[22] In December 2020, Smith agreed a contract extension for the 2021 season.[23]
In May 2021, Smith signed a new deal with Castleford to stay with the club for a further two years.[24] On 17 July 2021, he played for Castleford in their 2021 Challenge Cup Final loss against St. Helens.[25] Throughout the 2021 season, Smith made 18 appearances and scored 3 tries. He was predominantly utilised as a prop but also covered loose forward and stand-off.
In May 2023, it was announced that Smith would depart Castleford with immediate effect after his loan move to Featherstone Rovers was made permanent.[26][27] During his time with the Tigers, he made a total 75 appearances and scored 5 tries.
Halifax Panthers (dual registration)
In February 2023, Smith played one game for Halifax Panthers on dual registration from Castleford.[28]
Following an initial loan period, Smith joined Featherstone Rovers on a permanent deal in May 2023.[30] Head coach Sean Long said, "He's skilful, smart and a hard worker. He's a perfect fit for our brand of rugby."[31]
Bradford Bulls
On 31 October 2023 it was reported that he would join Bradford for the 2024 season on a two-year deal.[32]
On 26 Nov 2024 it was reported that he had left Bradford Bulls by mutual consent due to external work commitments.[33]