Speaker Details

Julien Topçu
SHODO
I like to craft software with high business value using techniques from Domain-Driven Design, all powered by Xtreme Programming in the Kanban #NoEstimates philosophy. Member of the OWASP foundation, I evangelise on application security techniques in order to avoid being hacked properly.
Your users are still struggling to retrieve the information they need, despite you have done everything to model your domain and ease the user experience?
Although you follow best practices, did you ever noticed that the software often deviates from the product design, the technical vision and sometimes the software quality is even below expectations?
What if we told you that all of this is linked ? There is a force that has an important influence on your product, your user experience, the quality of your software and your architecture !
During this talk, come and discover the Conway's Law that has a magical power over what you build, whatever your job profile is. We will see the impacts of this law on the different aspects of the software based on scientific studies and feedbacks from the field collected over the years.
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Just as development should be iterative, software design should change when the context and our understanding of the problem evolve. As a software grows to solve more problems, it becomes less supple in its ability to evolve. Tensions arise within the business model of the software that struggles to stay coherent.
Eventually it reaches a critical mass and becomes a monolith of spaghetti code. How do we know when it’s time to modularize our software? How do we carry on the decision to split it into several modules or services? How can we handle the progressive differenciation of our business models while avoiding unnecessary coupling? It’s not as easy as a clean axe cut in the middle, finding the right boundaries can be tricky.
We would like to introduce the Model Mitosis, a dynamic approach used to split a business model into multiple ones that will get shaped and decoupled iteratively. Gain flexibility to choose better when to split into multiple services, and avoid paying the scale cost of microservices or becoming a distributed monolith.
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