A data engineer is a software engineer who analyzes data and prepares it for operational use. He collects information in the form of data from different data sources, brings them together via the data pipelines he is responsible for, analyzes and structures them.
In order to be able to use the data for operational purposes, the collected data is cleaned, consolidated and structured before it is analytically processed. As a result, they can be easily processed and and contribute to the optimization of companies' Big Data system. The complexity of data analysis depends on operational activities and company size. For example, there are industries such as healthcare or financial services that have high data intensity and some of which need to realize their analytics and real-time.