Andres started working professionally doing some books for Avatar Press, like Joe R. Landsdale The Drive-In, By Bizarre Hands, or Yuggoth Creatures. He also did Pistolfist: Revolutionary Warrior for Alias, and other books like Helios: Under the Gun and Purity for Dakuwaka, and Ape Entertainment’s Cartoonapalooza. He started working for Marvel as penciler of the Son of Hulk ongoing, written by Paul Jenkins, and after that, he did Dark Reign: Hawkeye #5. For DC Comics, he’s done Gotham City Sirens #10-#11 & #13, with inker Raul Fernandez. After finishing Joker’s Asylum: The Riddler, a standalone story, but part of the month-long Joker’s Asylum event, also for DC, Andrés penciled Gotham City Sirens #14-17. He moved to Marvel briefly to work on Namor: the First Mutant #4 and then returned to DC, being the Gotham City Sirens ongoing artist until the book ended. Andres also worked on Red Lanterns #8, Resurrection Man #9 and he’s currently drawing Nightwing 11-14 (after doing some pages of issue 9) for DC, and Hypernaturals for BOOM! Studios. Back at DC, he was the ongoing artist on Justice League Dark.​ Recently, he's worked for both Valiant and Marvel, in titles like Ninjak or Captain America: Steve Rogers, respectively.