[1][4] He was an LGBT student and Youthless Future (Juventud Sin Futuro) activist.

[1][7] He was an online communication advisor to MEP Pablo Iglesias Turrión.

[4] He contributed to Iglesias' 2014 book Ganar o Morir: Lecciones Políticas en Juego de Tronos.

[12][13] In July 2019 Rubiño was appointed to the Senate of Spain by the Assembly of Madrid.

[11] In June 2018 he was subject to homophobic abuse at Lavapiés Metro station when, whilst hugging his boyfriend, someone shouted "fucking fag" (maricón de mierda).