Learn about the INTJ personality type, based on the Myers-Briggs Step I assessment. Find out their strengths, development areas, characteristics, careers, stress and relationships. INTJ is one of 16 Myers Briggs Personality Types. This personality types is known as "The Architect" and is known for their ambition. INTJ stands for “ introverted ” (I), “intuitive” (N), “thinking” (T), and “judging” (J). Being introverted means that people with this personality type tend to focus on their thoughts and prefer quiet surroundings. If you want to know what exactly the INTJ personality is about, then this article is for you.