José Antonio es Lead Al Programmer en MercurySteam entre sus juegos realizados se encuentran SpaceLords, Raiders of the Broken Planet – Council Apocalypse, Raiders of the Broken Planet – Hades Betrayal, Raiders of the Broken Planet – Wardog Fury, Raiders of the Broken Planet – Prologue & Alien Myths, DLC – Castlevania: Lords of Shadow 2 – Revelations, Castlevania: Lords of Shadow 2, DLC – Castlevania: Lords of Shadow – Resurrection, DLC – Castlevania: Lords of Shadow – Reverie, Castlevania: Lords of Shadow, Clive Barker’s Jericho, Zombie, American McGee Presents Scrapland.