Who was involved in testing and system analysis on the project?

In the project, testing is usually carried out by QA engineers who develop and execute test cases, automate tests, and conduct regression testing.

System analysis is performed by a systems analyst (BA), who gathers requirements, analyzes business processes, formulates technical specifications, and interacts with the development team and the customer.

In some teams, these roles may overlap or be combined, but usually, they are different specialists with different tasks.