DDD and Breaking the Dev Bubble

- 1 min


I’m in the progress of reading Domain Driven Design by Eric Evans with some co-workers. I’m about half-way through and wanted to put my main impression so far into words. So here is my summary of the most important point it makes:

It’s really important to talk to the non-nerds on your team. You may find it a drag, but figuring out how to communicate across the nerd boundary is actually a really interesting challenge, and it should be embraced.

The main reason this communication is so important is that the non-nerds likely know a lot more about your users’ business domain than you do. If you don’t incorporate them into your workflow, you’re wasting a valuable source of expertise.

A thorough understanding of this business domain is important because if you can capture the most important elements of it in your software’s design, you will end up with a more flexible and versatile application.

Requirements for an application can change overnight. But however fast-moving the business world may be, the domain in which your application users are working will not change overnight.

By building your application around a model of that domain, you are building an application with a core that will let it adapt flexibly to the changing needs of your users. Because it maps closely to your users’ business activities, it will also map closely to the struggles that they face, and the solutions that resolve them.

But you cannot build a domain model that lets you do this without non-nerds, so talk to them all the time—they are really important to our work. If the non-nerds don’t understand you, your application is probably missing something important.

This is a summary in my own words, so please assume the mistakes are mine and not the author’s if it sounds inaccurate.

Alex Chalk

Alex Chalk

Software Developer | Node/JS at Work | Haskell/TLA+ in Spare Time | Employed at Busbud

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