What is ETL?
To begin with, ETL stands for Extract, Transform, and Load. ETL allows businesses to collect data from various sources into one database. The process consists of three stages. Firstly, reading data from a database, then converting the extracted data into the form that can be analyzed. Lastly, the data must be written into the target database.
What does an ETL Developer do on the day-to-day job?
ETL developer is responsible for the process of collecting and processing data. Also, the design data storage solutions for organizations. Besides, there are other duties that they’re responsible for, like:
- Analyzing the company’s data needs
- Designing and coding the data warehousing system adjusted to the company’s specifications
- Maintaining and improving the existing ETL processes
- Controlling preliminary testing of the warehousing environment before extracting data
- Ensuring that the data system works efficiently once the data is transferred
- Working with data management teams on delivering the needed data.
The tasks can vary depending on the company, the characteristics of the job, or the branch.
ETL Developer Salaries
According to Indeed.com, the average base salary for an ETL developer is approximately $102,710 per year in the United States and $4,000 cash bonus per year.
According to Zippia, when it comes to the ETL developer salary, the national average wage for an ETL Developer in the US is $82,865 per year or approx. $40 per hour. Gaining experience and continuous training translates into higher earnings and work possibilities.
Some of the highest paying cities/states for ETL developers are New York, Washington, New Jersey, Arizona, California, and more.
You might find it interesting – Who is an ETL Developer? Roles and Responsibilities
What is the learning path of an ETL Developer?
There is no designated direction to become an ETL developer or get ETL developer jobs but some pattern is made. Generally, gaining a bachelor’s degree is unmissable and is needed to become an ETL developer. Employers esteem finished studies, so the higher the degree, the better. Of course, it doesn’t apply to every case.
Usually, ETL developers finish Computer Science, computer information systems, Electrical Engineering, or Information Technology or a combination of education and experience equating to the U.S. equivalent of a Bachelor’s degree in one of the aforementioned subjects.
Mostly, they have a bachelor’s degree, but around 30% are masters. The Internet is a treasury of various courses so future ETL developers should look around for those that are profitable. Completing courses gives the opportunity to acquire practical knowledge.
What skills are required?
There are certain skills that ETL developers should have. Both technical and soft skills are crucial because they enable them to lead the IT team in building the data warehouse.
Usually, there are a few core skills that ETL developer jobs need:
- Understanding of database structure and Big Data technologies
- Command of reading, analyzing and transforming the data
- Ability to create the best ETL design
- Experience in pulling data from various data source types
- Ability to pick up new data tools
- Management and organization skills
- Troubleshooting and managing the debugging processes
ETL developers use various tools to efficiently perform data warehousing operations. You can distinguish instrumental technical skills:
- Knowledge of at least one ETL tool (SSIS, Informatica, Talend, Pentaho, etc.)
- Comprehension of SQL/NoSQL data storage mechanisms
- PL/SQL Oracle development experience
- Knowledge of scripting languages like Python, Perl or Bash
ETL Developer Job Description
ETL Developer Jobs uses a job description like we mentioned below but can be different based on companies, requirements, and also different for different levels of ETL positions.
- Create and enhance data solutions enabling seamless delivery of data
- Research and evaluate emerging data engineering and warehousing technologies
- Responsible for collecting, parsing, managing and analyzing large sets of data across different domains for analysis
- Ensures data quality
- Design, Build and maintain enterprise data warehouse for internal departments of the organization
- Build Data architecture to support data management strategies
- Develops real-time and batch ETL data processes aligned with business needs
- Create data flow diagrams, security access, data quality, and data availability documentation across all business systems.
- Translates data access, transformation, and movement requirements into functional requirements and mapping designs
- Conducts ETL unit tests, troubleshooting, debugging ETL; monitors results and takes corrective action.
- Development and deployment of robust and scalable data platforms for advanced analytics and data processing
- Design ETL Workflows for data migration from various sources to data warehouse using batch or incremental loading strategies.
- Check on security and privacy to protect Company data
- Relevant experience in supporting software products to IT organizations
- Master’s or Bachelors degree in Computer, Information Technology, Business or related discipline, or equivalent experience
- Knowledge SQL, SAS and/or R is preferred
- Understanding of ER diagrams
- Strong written and oral communication skills
- Proficiency in Excel and MS Office Suite
- Strong experience in Data Quality, Data Mining, Source Systems Analysis, Business Rules Validation, Source Target Mapping Design, Performance Tuning, and High-Volume Data Loads
- Excellent ability to multi-task.
- Demonstrated proficiency with SQL language for user-defined database extracts or updates statements.
- Knowledge in SQL Server
- Requires knowledge of data warehouse design.
- Requires an understanding of requirements documentation.
- Ability to troubleshoot and solve complex technical problems
Career Path for ETL Developer
For any organization, data is the king. A data has to be a career out from one database to another, and an ETL developer carries out that process. So basically, and ETL developer job has a quit important responsibility. A career path for ETL developers is much more in demand than it was earlier and is expected to be more in the future as well. Various emerging data trends define the future of ETL. As managing data is often a complex responsibility, common aim across all these trends is to remove the complexity by simplifying data management as a whole.
ETL developers are highly sought after by companies that are looking for a professional IT team that will be able to conduct a comprehensive analysis of the collected data. Experience in designing, mapping, developing, and testing of data movement is essential to attract potential employers.
An ETL developer either works as a part of a team or, they may act as consultants to multiple organizations. So a career as an ETL developer according to your compatibility can both be a job or freelancing. The ETL developer position usually comes with perks such as the ability to work remotely (at least part of the time), health insurance, membership in a fitness club, and more. The ETL developer is one of those careers that will continue to grow in demand in the coming years, so it’s definitely worth considering if you are into business intelligence and data science.
What ETL Developer should know?
ETL Developer should know that finding a job will require expertise in the above-mentioned skills and technologies. You can also get an internship before you start applying for ETL developer jobs.
If you are willing to gather experience in ETL processes, do not hesitate to contact us! Discover our career section – maybe you’ll find the position you’ve been looking for?