What does a QA Architect do in a team, and what skills are needed for this job?

There is no clear definition of software-professional titles like “QA Architect”, In some companies, the QA Architect is a top senior-level tester, or he might be improving the testing processes, or maybe a person in a strategic role, etc.

You need to read the Job description to know what QA Architect means for a particular job, or if you get a chance, ask the hiring manager directly to clarify roles and responsibilities. That is the best way to know what the company is looking for.

Regarding the last part of your question, a software tester is relevant for the QA Architect role they should have intensive experience in all of the tools, and technology and have good soft skills after that they can apply to the job roles depending on the role he is best sui