In 2009, Takairangi made his international debut for the Cook Islands, kicking 3 conversions in a 22–20 victory over Samoa.
2010
Takairangi played in South Sydney's NYC team in 2008 and 2009, before being signed by the Sydney Roosters in February 2010. In round 2, he made his NRL debut for the Sydney Roosters against the Wests Tigers off the interchange bench in the 44–32 win at the SFS. Takairangi played in one other match during the season.
2011
On 25 August, Takairangi signed an extension with the Sydney Roosters which would keep him there until the end of the 2013 NRL season. In round 24, against the Cronulla-Sutherland Sharks, he scored his first NRL career try in the Sydney Roosters 36–25 win at the Sydney Football Stadium. Takairangi finished the year with 2 tries from 11 matches.
2012
Takairangi played in 16 matches and scored a try for the Sydney Roosters in the 2012 NRL season.
2013
On 5 February, Takairangi signed with the Gold Coast on a 3-year-deal, as part of an attempt by the Sydney Roosters to lure Luke O'Donnell back to the club. In round 1, Takairangi made his club debut for the Gold Coast against the Cronulla-Sutherland Sharks by playing at in the Titans 10–12 loss at Remondis Stadium. In round 11, against the Parramatta Eels, he scored his first club try for the Titans in the 42–4 win at Mudgee Oval. Takairangi finished the NRL season with 18 matches and 5 tries. He then played for the Cook Islands in the 2013 Rugby League World Cup. He played in 3 matches and scored a try during the tournament.
2014
In February, Takairangi played in the Titans inaugural Auckland Nines squad. He finished the season with 21 appearances and 3 tries for the Titans. On 9 September, Takairangi was selected for the New Zealand national rugby league team2014 Four Nations train-on squad, but didn't make the final 24-man squad. On 19 September, Takairangi agreed to sign a 3-year deal with the Wests Tigers, starting from the 2015 season. However, Wests back-flipped on Takairangi's deal, leaving him off contract for the 2015 season. On 30 October, he signed with the Parramatta Eels on a one-year deal.
2015
On 26 January, Takairangi was named in Parramatta's Auckland Nines squad. In round 1, he made his club debut for Parramatta against the Manly-Warringah Sea Eagles at centre, scoring a try in the 42–12 win at Parramatta Stadium. On 4 April, Takairangi re-signed with the Eels for a further 2 years. In round 22, against the Penrith Panthers, he suffered a season ending foot injury. Takairangi finished his first year with Parramatta with him playing in 17 matches and scoring 4 tries but mostly known for his combination and try assists to his wing partner Semi Radradra.
2016
In round 22 against Manly, Takairangi played his 100th NRL career match in the Eels 10–9 win at Parramatta Stadium. Takairangi finished the season with him playing in 17 matches and scoring 4 tries, 12 penalties conceded and 18 errors. On 20 September 2017, Takairangi extended his contract with Parramatta until the end of the 2019 NRL season.
2017
Takairangi played 23 games for Parramatta in the 2017 NRL season where the team finished fourth on the table. Then going on to debut for the NZ Kiwis in the 2017 RLWC.
2018
In Round 2 of the 2018 NRL season, Takairangi was ruled out for 5 weeks with a fractured eye socket after being accidentally elbowed in the face by Manly player Joel Thompson. Takairangi returned to the Parramatta side in round 7 against Manly, Parramatta went on to win the match 44–10 which was their first of the season. Takairangi ended a difficult 2018 season with 20 appearances for the club as Parramatta finished last on the table and claimed its 14th wooden spoon.
2019
Takairangi began the 2019 NRL season as one of the club's first choice centres. In round 4, Takairangi scored his first try of the season in a 24–12 victory over Cronulla-Sutherland. In Round 5, Takairangi played his 150th NRL game against Canberra which ended in a 19–0 defeat. On 28 May, Takairangi was demoted to reserve grade by coach Brad Arthur after the club had suffered 3 disappointing losses in a row. The last of which was against bottom placed Penrith. After spending a month in reserve grade, Takairangi was called back into the Parramatta team for their Round 15 clash against Canberra to cover injuries within the side. Takairangi played at centre as Parramatta defeated Canberra 22–16 at TIO Stadium in Darwin. In Round 17 against Wests Tigers, Takairangi scored a hat-trick as Parramatta won the match 30–18 at the new Western Sydney Stadium. Takairangi played a total of 23 games for Parramatta in the 2019 NRL season as the club finished 5th on the table and qualified for the finals. Takairangi played in both finals matches for the club as they reached the elimination final against Melbourne but were defeated 32–0 at AAMI Park which ended their season. On 10 October, Takairangi was named in the Cook Islands squad for the 2019 Rugby League World Cup 9s. On 4 November, Takairangi signed a one-year contract extension with Parramatta.
