[ghuntley]

Leadership and mentoring. When they can write great documentation (without prompting) and http://softwareleadweekly.com/ becomes their favourite weekly read. When they come to you with improvements outside of the technical domain on how to improve shop and even better when it's just a side chat about what they have already improved and what went well, what didn't and what they learned (self-awareness). When they stop treating promotions like mechanical checkboxes.