Signs of an excellent software developer

These are some signs of an excellent software developer based on my observations over a decent number of years in software development.

• Always learning and strong desire to learn new things; searches for and utilizes sources of knowledge
• Tenacious in solving problems and willing to ask questions when needed
• Ability to move between big picture and extreme details
• Good communicator
• Cares about more than just code
• Shows abstract creativity
• Strong desire to help others
• Understands important aspects of the full stack - from load balancers to operating systems, languages to app servers, networks to databases
• Understands needs related to operations/support and creates architectures which ease those tasks
• Reasons for entering field include helping others or enjoys challenges
• Perfectionistic tendencies tempered with practicality
• Broad range of complex interests or detail oriented hobbies