"A man came across three stonecutters and asked them what they were doing. The first replied, “I am making a living.” The second kept on hammering while he said, “I am doing the best job of stonecutting in the entire county.” The third looked up with a visionary gleam in his eye and said, “I am building a cathedral.”" https://www.harvardmagazine.com/breaking-news/three-stonecut...
Of course, IT applications in larger corporations tend to be boring and uninspiring by themselves, but they are there for a reason and they probably make someone's life easier and help other people to their job. For example, I am working on an IT system that connects individual dealerships to the corporate IT databases. My company uses this system to sell its products and communicate with its customers, so this system is really helping people.
Maybe try to look beyond the daily and mundane tasks of your job and see the purpose of your role.