Ethical codes based on character are sometimes called virtue-based ethics. Such systems delineate desirable and undesirable character traits as virtues and vices. Virtue-based ethics provides valuable assistance in the quest for morality, thanks to its emphasis on character development. Open-mindedness is essential in an industry where everything changes so quickly. Confidence, when warranted, is a valuable trait.
Diligence is necessary for seeing our work through to the end.
Finally, consistency is important so people will know they can rely on us. One negative trait is avarice - not petty greed, but the kind of striving for wealth and possessions that decimates us and those around us. Ignorance is also a vice in a vocation that depends on detailed knowledge and experience, and indifference is another. This list of virtues and vices is hardly comprehensive. Anyone could add to it, and it's prudent to do so.