Have you had a specialized testing area or module separation?

In large testing teams, specialized areas are often designated, such as functional testing, load testing, automation, security testing, etc. It is also common to divide by modules or components of the product — each tester or group is responsible for a specific module, which allows for a deeper understanding of its specifics and faster error detection. This approach improves the quality and speed of testing, as well as facilitates communication with developers.