What Does an ETL Developer Do?

ETL Developer

An ETL developer is responsible for extracting, transforming, and loading data. This involves copying data from business processes into a data warehouse and updating it with current information. An ETL developer also designs, tests, and troubleshoots the system used to store data. This role is typically highly technical and requires a strong background in computer science or data warehouse design.


An ETL developer is a critical component of any data warehouse team. Their job is to analyze business data, load it into a data warehouse, and test its performance. They also troubleshoot problems that may arise before the project goes live. They are required to have strong analytical and communication skills. They must also be comfortable working with business stakeholders and new technologies.

An ETL developer should have at least two years of coding experience. They must also have knowledge of different ETL tools and data amalgamation. Typically, they hold a bachelor’s degree in computer science or software engineering. Experience with databases and industry knowledge are important as well.

An ETL developer must possess advanced SQL knowledge. The job description for an ETL developer may vary according to the company’s technology stack. However, it is important to note that a qualified candidate should possess solid programming skills and be capable of troubleshooting a number of problems. They should also be practical and flexible.


A job as an ETL developer requires the developer to analyze the data related situation of an organization and design data storage systems based on this understanding. They are employed by both IT firms and individual organizations. A good ETL developer should have strong database engineering skills, an understanding of data mapping techniques, and experience in ETL projects.

ETL developers are typically analytical and have excellent communication skills. They also have strong problem-solving skills and good troubleshooting abilities. Businesses produce huge amounts of data, which requires the ETL developer to leverage a variety of knowledge and skills. In addition to the technical skills required, they must have a strong interest in the business as well as the ability to learn new technology. In addition, they must be able to participate in requirements gathering sessions and suggest technology solutions within an agreed-upon timeline.

Another key responsibility of an ETL developer is to oversee the smooth functioning of data processing systems. As such, they should be highly analytical and troubleshooting. In addition, their responsibilities overlap with other roles in the data engineering field. Those who work in this field are best suited for large-scale data processing systems, which require complex data flow.


ETL developers are responsible for managing the extraction, transformation, and loading of large amounts of data. As part of a data engineering team, they also participate in system testing and troubleshooting. A typical ETL developer makes between $73,000 and $103,570 per year. They also have the opportunity to work on a variety of projects.

The salary for an ETL developer varies by country. In the Nordics, salaries are higher than in Western and Eastern Europe. The lowest salaries are found in Africa, which is 2 times lower than in other parts of the world. In Spain, ETL developers earn a median salary of $43K.

The salary for an ETL developer varies depending on where they work and where they live. While it can vary widely, an average salary for this position is around EUR 1,950 per month. This equates to an hourly rate of about EUR 11.50. This amount varies depending on a number of factors, including education, experience, and role. To find out how much you could expect to earn as an ETL developers, you can use a salary calculator to estimate your salary.

Work environment

An ETL developer is a technical specialist who works in a data warehouse environment to extract, transform, and load data. This role requires excellent communication and problem-solving skills as well as an analytical mind. They must be able to troubleshoot and test their system to ensure that it functions correctly. They should also be able to work collaboratively and prioritize multiple tasks. Moreover, an ETL developers should have a strong background in programming languages and strong project management skills. In addition, they should be able to understand the business requirements and develop well-structured software designs.

Typically, an ETL developer will start in an entry-level position and work their way up to more senior positions, such as project manager and lead developer. With experience, they may also decide to pursue a career in management or business development.

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