We need to design things so that we have locality in our systems and the organizations that build them. We need simplicity in everything we do. This ideal relates to the degree to which a development team can make local code changes in a single location without impacting various teams. The last place we want complexity is internally, whether it’s in our code, in our organization, or in our processes.
The Second Ideal is all about how our daily work feels. Is our work marked by boredom and waiting for other people to get things done on our behalf? Do we blindly work on small pieces of the whole, only seeing the outcomes of our work during deployment when everything blows up, leading to firefighting, punishment, and burnout? Or do we work in small batches, ideally single-piece flow, getting fast and continual feedback on our work? These are the conditions that allow for focus and flow, challenge, learning, discovery, mastering our domain, and even joy. This is what being a developer means.
The Third Ideal addresses paying down technical debt and improving architecture. When technical debt is treated as a priority and paid down and architecture is continuously improved and modernized, teams can work with flow, delivering better value sooner, safer, and happier. And the business ultimately wins when developers can deliver on enterprise performance goals.
Psychological safety is one of the top predictors of team performance. When team members feel safe to talk about problems, problems can not only be fixed but prevented. Solving problems requires honesty, and honesty requires an absence of fear. In knowledge work, psychological safety should be treated with the same importance as physical safety is in manufacturing.
Customer focus relates to the difference between core and context as defined by Geoffrey Moore. Core is what customers are willing and able to pay for, the bread and butter of your business. Context is what they don’t care about, what it took to get them that product, including all the backend systems of an organization like HR and marketing and development. It’s critical to look at these Context systems as essential, as mission critical, and fund them appropriately. Context should never kill core.