Hidalgo-Clyne specialised in international sevens for the 2011–12 season and joined Edinburgh's elite development roster in the summer of 2012.

[7] He left Scarlets early to join French giants Racing 92 in the Top 14 as cover during the 2019 Rugby World Cup[8] Afterwards, Hidalgo-Clyne signed a short-term contract with Lyon until the end of the 2018-19 season.

[9] On 17 February 2020, Hidalgo-Clyne agreed to move to Exeter Chiefs in the English Gallagher Premiership on a two-year deal from 2020-21 season.

[10] On 3 February 2022, Hidalgo-Clyne would leave Exeter as he signs for Italy region Benetton on a three-year deal in the United Rugby Championship ahead of the 2022-23 season.

[11][12][13][14] Hidalgo-Clyne made his full Scotland debut on Saturday 7 February 2015, coming off the replacements' bench in a 15–8 defeat to France in the 2015 Six Nations Championship, and did so again in each of the remaining four matches.