Following @boubkerbribri application as maintainer, there is a page about Software Developers in Test in the maintainer guide
https://www.prestashop-project.org/maintainers-guide/project-organization/
It defines:
Software Developers in Test provide technical vision, review contribution and write automated tests, which help accelerate the testing process.
This is not defined enough.
In order to complete Boubker's definition of his role in the project we need