The Kernel Mage with Root Access to Magic

After dying from complications due to overworking himself, Ivan reincarnates into a world of swords and magic. But his dreams of adventure quickly disappear as this world is notably different from what he had imagined. Magic is underdeveloped due to mysticism. Medicine and the sciences are nonexistent. Technology has been stagnant for hundreds of years. Can this 26-year-old video game programmer be this world's catalyst for change?