ETL literally translates to extract, transform, and load process in data management. ETL developers are doing everything to improve this technology, and also perform all stages of the process. The specialty is in demand in companies of various profiles, therefore it attracts more and more potential developers. And thanks to the ability to perform all duties without being tied to the office, the profession is great for a remote format. It is about how to get a dream job as an ETL developer in a freelance environment that we will talk about further.

The main task of an ETL developer

According to the ETL process, information from one database is first extracted, after which it is converted into the required format, more often this is a standard option that can be used for a new repository. And then all the converted data is loaded into a new database. The specialty belongs to the field of IT, and most often developers work in conjunction with other specialists. Professionals evaluate the existing databases, the company’s priorities, its features, and wishes for the formation of a new database, and then choose the best solutions for its creation.

How to become an ETL developer

To qualify as an ETL developer, you need to go through several steps:

1. A bachelor’s or master’s degree in computer technology: this is an opportunity to acquire an essential basis, without which it will be impossible to further develop in the profession. In rare exceptions, the standard educational program that is taught in the relevant courses is allowed.
2. Specialized certificates: in order to increase the chances of employment, it is recommended not only to obtain a bachelor’s degree but also to obtain additional certificates for passing narrower and more specific courses.
3. Learn the tools needed for the job: performing daily duties requires more than knowledge of the specifics of the database. An ETL specialist has a huge number of tools in their arsenal, for example, Dataflow and Apache Beam, each of which you need to know at a proper level.
4. The constant acquisition of new knowledge: an ETL specialist must develop constantly, and for this, studying various literature, tracking emerging innovations and trends, as well as completing additional educational programs is recommended.

The more developed a specialist is, the more likely they are to get a dream job. Today, the market is highly competitive because many choose professions in the field of IT. You need to be competitive in order to count on promising career growth.

How to Get a Freelance ETL Job

To qualify for freelance ETL developer jobs you must meet the following requirements:

1. Experience: companies rarely hire newcomers to work in a freelance environment. It is easier for juniors to try to be an ETL specialist in an offline office. But if you have a high level of knowledge, a lot of certificates, and you are constantly developing, there is a good chance that you will be hired for a freelance project to perform minimal routine tasks. But remember, professionals with at least 5 years of experience are always more likely to get a positive response to the selected vacancy.
2. Coding and databases: you must have well-developed skills in writing code, modeling it, running it, and analyzing it. This will require deep knowledge of at least one programming language. It is also important to have a solid knowledge of different databases and their specifications.
3. Ability to properly prioritize: a company wants to receive a quality product, focused exclusively on its needs. So you need to be able to ask and analyze all project requests, have implementation discussions with other team members, and learn how to advocate for your work — all online.

When applying for a job, be sure to mention all your skills. Prove that you are ready to fulfill your duties in full, even online.

Marco