Data engineer builds and maintains data pipelines.

The Data engineer deploys and tests the infrastructure and tools needed to convert the raw data to structure data.

Data engineer also combines data from multiple sources to create consistent/structured data.

The data engineer works closely with the data science team to make the required data available to them

Data engineer also needs to ensure data governance, compliance, and security.

spark, python, scala, airflow, jupyterhub, Jenkins, and superset are some of the tools and technologies that data engineers use day to day.

A data engineer earns more as compared to other technical It skills.