Depending on the Data Quality project, an engineer can perform various functions: from an ordinary automated tester with a superficial assessment of data quality, to the person who conducts their deep profiling according to the above criteria.
Looking back, I understand why the set of my professional skills turned out to be so diverse - I participated in projects tied to working with data, large and small. This is what led me to the world of a large number of tools and opportunities for growth.