On 9 March 2014, he was an unused substitute when local rival Kilkenny CBS defeated St. Kieran's College by 2-13 to 0-13 to win the Leinster Championship.
[2] Browne spent a year studying at the Cork Institute of Technology and was included on the freshers' hurling team during that time.
[8] Browne failed to secure a place on the starting fifteen for the 2017 Leinster Championship but was retained as a member of the extended panel.
On 5 July 2017, he won a Leinster Championship medal as a member of the extended panel following Kilkenny's 0-30 to 1-15 defeat of Wexford in the final.
[13] On 18 August 2019, he was selected at midfield when Kilkenny faced Tipperary in the All-Ireland final, however, Browne ended the game on the losing side after a 3-25 to 0-20 defeat.
His mother, Angela Downey-Browne, and his aunt, Ann Downey, won 12 All-Ireland medals each with the Kilkenny senior camogie team between 1974 and 1994.