Look at ze cognitive functions. Ni: “Attracted to symbolic actions or devices, Ni synthesizes seeming paradoxes to create the previously unimagined. These realizations come with a certainty that demands action to fulfill a new vision of the future, solutions that may include complex systems or universal truths.” Si: “Si collects data in the present moment and compares it with past experiences, a process that sometimes evokes the feelings associated with memory, as if the subject were reliving it. Seeking to protect what is familiar, Si draws upon history to form goals and expectations about what will happen in the future. Using Si, ISTJs thrive on deep analysis of their surroundings.”
I’ve seen it as connections (Ni) vs data (Si). Google around for more info. You might try doing a cognitive functions profile (http://www.keys2cognition.com/explore.htm) rather than a mbti. Try to focus on how you do things rather than the personality bits.
My guy is an INTP but, he loves shipping products. He is super focused on making his ideas real. Most of the cliche personality bits on INTPs tell you how they never finish things.