He spent the vast majority of his career in Spain in the lower leagues, his Segunda División input consisting of ten matches with UCAM Murcia.
He competed professionally in Greece (Asteras Tripolis and Kalloni), Scotland (Heart of Midlothian) and Japan (V-Varen Nagasaki, Omiya Ardija and Avispa Fukuoka).
[16] On 2 August, in his Scottish Premiership debut, he capitalised on a Brad McKay mistake to score the opener at home against St Johnstone, in an eventual 4–3 win.
[18] On 19 December, against the same opponent, he received a straight red card in a goalless draw for headbutting David Wotherspoon, and manager Robbie Neilson attributed it to frustration at Scottish referees being more lenient on fouls against strikers than their Spanish counterparts.
[19] On 31 August 2016, Juanma was loaned to UCAM Murcia CF for one year,[20] making his professional debut in the Spanish league system on 21 September when he came on as a 35th-minute substitute and scored once in a 4–0 home win over UD Almería in the Segunda División.