Maitua has been a first-grader since 2004 after making his NRL debut with Cantebury.
The back-rower has played for the Bulldogs, Sharks, Eels, Featherstone, Salford and Leigh in a long and eventful career.
Maitua has also battled depression throughout his career.
The forward posted on social media: “Atmospheres like yesterday is one of the things I’ll miss the most. 10 more games till the boots go up for good. #AllGoodThingsComeToAnEnd.”