The Role of a Data Engineer
1. The Role of a Data Engineer
Let’s start by discussing the role of a data engineer. What does a data engineer do? At a basic level, a data engineer builds data pipelines. Why does the data engineer build data pipelines? Because they want to get their data into a place such as a dashboard, or report, or machine learning model, from where the business can make data-driven decisions. The data has to be in a usable condition so that someone can use this data to make decisions. Many times, the raw data is by itself not very useful. Once data becomes useful, the data engineer will often apply updates or transformations to add new value to the data. Of course, new data environments require data management practices to ensure currency and accuracy. Finally, data engineers create processes and operations to move data usage into production settings. In the most basic sense, a data engineer moves data from data sources to data syncs in four stages: replicate and migrate, ingest, transform, and store. The replicate and migrate stage of a data pipeline focuses on the tools and options to bring data from external or internal systems into Google cloud for further refinement. There are a wide variety of tools and options at your disposal. They will be covered in more detail throughout this course.2. Let's practice!
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