After 20+ years as a dev I´ll say that the first item in the list should be: understand your organization, boss and coworkers first. What you do should be base

After 20+ years as a dev I´ll say that the first item in the list should be: understand your organization, boss and coworkers first. What you do should be based on that analysis. If not, frustration, dissapointment and conflict (internal, external) will follow.