What criteria and principles of division of responsibilities were applied in your team when organizing work?

In our team, the following principles of division of responsibilities were applied:

• Clear role distribution: each participant is responsible for their own area — for example, one handles UI, another — business logic, and a third — testing.
• Use of design patterns: such as MVVM or MVP, to separate presentation, logic, and data.
• Module isolation: each module or component has its own responsibility and minimally depends on others.
• Code review and coding standards: to maintain quality and consistency of the code.
• Task automation: for example, CI/CD, so everyone can focus on their part without unnecessary manual operations.

This approach helps avoid duplication, improves support, and accelerates development.