Are you a perfectionist builder, a chaos-loving mad scientist, or a documentation-obsessed librarian? Engineer16 is a free personality test for software engineers. Answer 48 questions in 5 minutes and discover one of 16 unique engineer archetypes — defined by 4 axes: Scope, Change, Tooling, and Social style. Each result includes a detailed profile of your strengths, weaknesses, and ideal work style. A self-awareness tool built by engineers, for engineers. 100% free. No registration required.