Saviuk's professional career began in 1977 at DC Comics, where he illustrated such titles as Green Lantern, The Flash, and Superman. Saviuk's first work for DC was a one-page story titled "The Victim!" in House of Mystery #255. His first full work for the company, Green Lantern #100, introduced an updated version of the Air Wave character. Saviuk drew The Flash #275 wherein the title character's wife, Iris West Allen was killed. In the early 1980s, Saviuk was the regular backup feature artist on Action Comics, where he drew the exploits of Air Wave, Aquaman, and the Atom in collaboration with writer Bob Rozakis. Rozakis stated in a 2014 interview that "I don't recall how we ended up with the three of them. It may have simply been that all three had names that began with 'A' and it was a backup in Action Comics". Saviuk frequently drew the "Whatever Happened to...?" backup feature in DC Comics Presents. He and writer E. Nelson Bridwell introduced the Global Guardians in DC Comics Presents #46. from 2004. Pencils by Saviuk, inks by Joe Sinnott. In 1986, Saviuk moved to Marvel Comics, where he eventually established himself as a key Spider-Man artist with a seven-year run on Web of Spider-Man. It was the longest run of a single artist on that series. In 1989, he drew The Amazing Spider-Man: Parallel Lives graphic novel. From 1994–1997, Saviuk worked on the series Spider-Man Adventures. Since 1997, Saviuk has drawn The Amazing Spider-Man Sunday newspaper comic strip, written by Stan Lee and inked by Joe Sinnott. Starting in 2003, he has inked the daily Spider-Man strip, pencilled by Lee's brother Larry Lieber. After Lieber retired from the daily strip in September 2018, Saviuk took over as penciller as well and stayed on until the cancellation of the strip in March 2019. He created variant covers for Symbiote Spider-Man #1–5. In 1997–1998, he spent a one-year stint at Topps Comics drawing The X-Files until the end of its run. For writer and filmmaker Robert Tinnell, Saviuk did the artwork for the comic strip Feast of the Seven Fishes, first published online and, in 2005, as a collected print edition which has been nominated for an Eisner Award as "Best Graphic Album - Reprint" in 2006. In 2018, Tinnell adapted it for an eponymous movie. In 2004, Alex Saviuk returned to The Phantom, a character he had already drawn in Defenders of the Earth in 1987, this time for European publisher Egmont. He has drawn numerous Fantomen comics since then. In 2018, he pencilled and inked the first issue of the new anthology seriesThe Phantom Strikes. Some of the characters Saviuk has co-created include Arkiss Chummuck and Malet Dasim of the Green Lantern Corps, Sunburst, Olympian, Tombstone, Nightwatch and the New Enforcers. In addition to comics, Saviuk does storyboards for advertising agencies and, occasionally, film and animation studios. Among the films he storyboarded are Hoot and Never Back Down. Saviuk lives in Florida with his wife, they have two children.