Who Works with ETL
The use of ETL (extract, transform, and load) is always increasing. This rise is due to its importance in the business world. In addition, most organizations require this tool to make sense of the business indicators and the feedback they receive from their customers. As a result, companies are looking for an ETL expert. Therefore, it becomes essential to know who works with ETL.
The position of an ETL developer is one of the most popular IT jobs at the moment. The ETL developer is responsible for the development of data storage schemes, which can be databases or data warehouses. Also, they a responsible for filling these storage systems with data using a step of standards and specifications. Likewise, an ELT developer ensures every aspect of an ETL system is working before deploying it.
In most cases, an ETL developer does not work in isolation. They work with other professionals. Within a business environment, an ETL developer will likely work with a business analyst and a data scientist. Other functions of an ETL developer include the following.
- Ascertain the data storage requirements of a business.
- Leverage their experience when developing a database or data warehousing using different data storage concepts.
- Deploys a unique data extraction, transformation, and loading process that considers the unique characteristics of an organization. In most cases, they create automated systems that continuously keep the database up to date.
- Ensure the data stored in the database is suitable for use.
- Designs and manage data models that are compatible with the database structure they create.
From these responsibilities, it is clear that an ETL developer must possess a combination of data management and programming knowledge.
Skills and Qualification Requirements of an ETL Developer
Becoming an ETL developer requires dedication and commitment. You must also possess a combination of skills and educational requirements.
Most people that end up becoming ETL developers have a degree in computer engineering, computer science, or software engineering. Similarly, a developer must understand the industry they are working in to provide meaningful solutions. For example, an ETL developer in an insurance company must have a basic understanding of insurance.
Similarly, a developer needs to possess certifications via training. These certifications may depend on the type of platform they are working with. Oracle, Google, Microsoft, and more all have certificates related to specific ETL tools.
Required Software Expertise
Having the certificates and qualifications is just one aspect of being an ETL developer. However, an individual must have knowledge and experience working with a handful of software applications. Some of these applications include the following.
- NoSQL databases
- PL/SQL Server
- SSIS (SQL Server Integration Services)
- Dimensional modeling
- Experience working with modeling tools like Erwin
Before becoming a full-time ETL developer, an individual should at least have some experience using programming languages. Without this experience, it can be impossible for a person to become an expert ETL developer. In addition, a developer should build other skills such as project management, teamwork, critical thinking, and more.
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