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You're reading from  Cracking the Data Engineering Interview

Product typeBook
Published inNov 2023
PublisherPackt
ISBN-139781837630776
Edition1st Edition
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Authors (2):
Kedeisha Bryan
Kedeisha Bryan
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Kedeisha Bryan

Kedeisha Bryan is a data professional with experience in data analytics, science, and engineering. She has prior experience combining both Six Sigma and analytics to provide data solutions that have impacted policy changes and leadership decisions. She is fluent in tools such as SQL, Python, and Tableau. She is the founder and leader at the Data in Motion Academy, providing personalized skill development, resources, and training at scale to aspiring data professionals across the globe. Her other works include another Packt book in the works and an SQL course for LinkedIn Learning.
Read more about Kedeisha Bryan

Taamir Ransome
Taamir Ransome
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Taamir Ransome

Taamir Ransome is a Data Scientist and Software Engineer. He has experience in building machine learning and artificial intelligence solutions for the US Army. He is also the founder of the Vet Dev Institute, where he currently provides cloud-based data solutions for clients. He holds a master's degree in Analytics from Western Governors University.
Read more about Taamir Ransome

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Roles and responsibilities of a data engineer

Data engineers are responsible for the design and maintenance of an organization’s data infrastructure. In contrast to data scientists and data analysts, who focus on deriving insights from data and translating them into actionable business strategies, data engineers ensure that data is clean, reliable, and easily accessible.

Responsibilities

You will wear multiple hats as a data engineer, juggling various tasks crucial to the success of data-driven initiatives within an organization. Your responsibilities range from the technical complexities of data architecture to the interpersonal skills necessary for effective collaboration. Next, we explore the key responsibilities that define the role of a data engineer, giving you an understanding of what will be expected of you as a data engineer:

  • Data modeling and architecture: The responsibility of a data engineer is to design data management systems. This entails designing the structure of databases, determining how data will be stored, accessed, and integrated across multiple sources, and implementing the design. Data engineers account for both the current and potential future data needs of an organization, ensuring scalability and efficiency.
  • Extract, Transform, Load (ETL): Data extraction from various sources, including structured databases and unstructured sources such as weblogs. Transforming this data into a usable form that may include enrichment, cleaning, and aggregations. Loading the transformed data into a data store.
  • Data quality and governance: It is essential to ensure the accuracy, consistency, and security of data. Data engineers conduct quality checks to identify and rectify any data inconsistencies or errors. In addition, they play a crucial role in maintaining data privacy and compliance with applicable regulations, ensuring that data is reliable and legally sound.
  • Collaboration with data scientists, analysts, and other stakeholders: Data engineers collaborate with data scientists to ensure they have the appropriate datasets and tools to conduct their analyses. In addition, they work with business analysts, product managers, and other stakeholders to comprehend their data requirements and deliver accordingly. Understanding the requirements of these stakeholders is essential to ensuring that the data infrastructure is both relevant and valuable.

In conclusion, the data engineer’s role is multifaceted and bridges the gap between raw data sources and actionable business insights. Their work serves as the basis for data-driven decisions, playing a crucial role in the modern data ecosystem.

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Cracking the Data Engineering Interview
Published in: Nov 2023Publisher: PacktISBN-13: 9781837630776
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Authors (2)

author image
Kedeisha Bryan

Kedeisha Bryan is a data professional with experience in data analytics, science, and engineering. She has prior experience combining both Six Sigma and analytics to provide data solutions that have impacted policy changes and leadership decisions. She is fluent in tools such as SQL, Python, and Tableau. She is the founder and leader at the Data in Motion Academy, providing personalized skill development, resources, and training at scale to aspiring data professionals across the globe. Her other works include another Packt book in the works and an SQL course for LinkedIn Learning.
Read more about Kedeisha Bryan

author image
Taamir Ransome

Taamir Ransome is a Data Scientist and Software Engineer. He has experience in building machine learning and artificial intelligence solutions for the US Army. He is also the founder of the Vet Dev Institute, where he currently provides cloud-based data solutions for clients. He holds a master's degree in Analytics from Western Governors University.
Read more about Taamir Ransome