The author, a former Data Scientist and current software engineer at Airbyte, shares their experience in building data teams and how modern data tools are redefining roles within these teams. They discuss the importance of hiring technical Data Engineers before onboarding more Data Analysts or Scientists, as well as the changing role of Data Engineers due to automation and new data tools. The author also shares their thoughts on the structure of a growing data team at Airbyte, emphasizing the need for diverse skill sets and balanced teams.