Fernández started his career with local team Ambos Mundos, before joining Boca Juniors; via a trial with Barcelona. Primera B Nacional side Agropecuario completed the loan signing of Fernández on 10 August 2018, with the forward making his professional debut for the newly promoted side on 31 August against Instituto. A 1–1 draw with Temperley on 15 September saw Fernández start for the first time in senior football.
