Border (2010–11)

At high school level, Smith earned provincial selection to represent Border. He played for them at the 2010 Under-16 Grant Khomo Week in Upington and the 2011 Under-18 Craven Week – South Africa's premier high school competition – in Kimberley. He was also eligible to play at the 2012 Craven Week, but was not picked as he had agreed to join the Pretoria-based Blue Bulls^[2] and fell foul of a newly adopted Border Rugby Football Union policy of not picking players for their Craven Week squad that already signed contracts with other unions.

Blue Bulls and South Africa Under-20 (2013–15)

He started in twelve matches for the Blue Bulls U19 side in the 2013 Under-19 Provincial Championship, including three matches as a fly-half. He scored a total of 31 points during the season, including 14 points in their match against Western Province U19, which also saw Smith score his only try of the competition.^[3] The Blue Bulls won all twelve of their matches during the regular season to finish top of the log and to quality for the title play-offs. Smith started in their 37–21 victory over the Leopards U19s in the semi-final^[4] and in the final, where he helped his side become champions by beating Gauteng rivals Golden Lions U19 35–23.^[5]

In 2014, he was included in the Blue Bulls' squad for the 2014 Vodacom Cup competition. However, he failed to appear in this competition as he was included in the South Africa Under-20 squad that participated at the IRB Junior World Championship held in New Zealand. He played off the bench in their first match as South Africa beat Scotland 61–5,^[6] and started their other two matches in the pool stage, a 33–24 win over hosts New Zealand^[7] and a 21–8 win over Samoa^[8] to finish top of their pool. He started their semi-final match as they again met New Zealand in the semi-finals and beat them, this time by a 32–25 scoreline,^[9] to qualify to their second final. He remained the starting scrum-half for the final, but was on the losing side as England won the match 21–20 to consign South Africa to the runner-up spot.^[10]

Smith returned to domestic action with the Blue Bulls U21s in the 2014 Under-21 Provincial Championship. He started six of their matches in the competition and appeared as a replacement in four more. He also scored one of the Blue Bulls' 21 tries in their 143–0 victory over Border U21 on the opening day of the season^[11] and eventually helped them to finish the regular season in second position. He started their 23–19 victory over the Golden Lions U21s in the semi-final,^[12] but did not feature in the final, where the Blue Bulls beat Western Province U21 20–10 to be crowned champions.^[13]

He was again named in the Blue Bulls' squad for the 2015 Vodacom Cup. After being an unused replacement in their 20–18 victory over eventual champions the Pumas,^[14] he made his domestic first class debut in their next match, a 44–0 victory over Namibian side Welwitschias in Windhoek.^[15] After his first appearance on domestic soil against the Griffons a week later,^[16] he made his first start in their quarter final match against a Free State XV, helping the Blue Bulls to a 44–21 victory.^[17] He also started in their semi-final match against Western Province, but ended on the losing side as the team from Cape Town ran out 10–6 winners.^[18]

He featured in nine of the Blue Bulls U21s' matches in the 2015 Under-21 Provincial Championship. He scored a try in their 41–31 victory over the Leopards,^[19] but experience a poor season overall as the defending champions finished in fifth spot on the log to fail to qualify for the play-offs.

Cheetahs (2016–)

Smith was named in the training squad of Bloemfontein-based Super Rugby franchise the Cheetahs for the 2016 Super Rugby season.^[20]