The Code of Vengeance

When a tyrannical manager forces out the genius programmer who built his billion-dollar empire, he unleashes a digital god of vengeance. From a quiet new life, Kael Archer, creator of the world's most powerful trading AI, will bring Wall Street to its knees. They thought he was just an employee; they're about to learn he was the king on the throne. They took his job—he's about to take their entire kingdom.