What does an etl developer do?
An ETL developer is responsible for managing data storage systems to secure the organization's data and files for daily operations efficiency. ETL developers perform multiple system testing to ensure the system's accuracy, perform coding adjustments, and troubleshoot for any defects and inconsistencies. They work closely with other development teams to design storage functions to optimize solutions. An ETL developer must have extensive knowledge of the technology industry and a strong command of programming languages to develop an accurate and operational database.
Etl developer responsibilities
Here are examples of responsibilities from real etl developer resumes:
- Support and maintain production Cognos web portal to manage the OLAP cube and folders.
- Implement Perl scripts to load the financial information and to automate frequent reports for the users.
- Coordinate with DBA in creating and managing table, indexes, table spaces, triggers, dB links and privileges.
- Migrate the jobs from DataStage 8.1 to 8.7 and the environment from AIX to LINUX.
- Export data from HDFS environment into RDBMS using Sqoop for report generation and visualization purpose.
- Develop PL/SQL package for conversion of legacy notes associate with a service request using service request API.
- Develop PL/SQL programs using TCA API's to validate and import customers from legacy system into base tables.
- Used DataStage as an ETL tool to extract data from sources systems, load the data into the DB2 database.
- Coordinate between offshore team members and onsite business analysts.
- Design and develop database tables necessary along with the necessary constraints to enforce business rules.
- Involve in the ongoing delivery of migrating client mini-data warehouses or functional data marts from oracle environment to Teradata.
- Implement HBASE for creating tabular data.
- Used BTEQ sessions to access from TERADATA database.
- Used apex explorer to query the sales force.
- Create and run the jobs through the control-M scheduler.
Etl developer skills and personality traits
We calculated that 7% of ETL Developers are proficient in SQL Server, Data Warehouse, and Unix. They’re also known for soft skills such as Detail oriented, Interpersonal skills, and Problem-solving skills.
We break down the percentage of ETL Developers that have these skills listed on their resume here:
- SQL Server, 7%
Worked on performance monitor counters for monitoring SQL Server environment.
- Data Warehouse, 6%
Involved in implementing star schema for the data warehouse using Erwin for Logical/Physical data modeling and Dimensional Data Modeling.
- Unix, 5%
Developed application using UNIX operating system including scripting.
- Data Analysis, 4%
Performed initial data analysis on service requests from business clients and provided a detailed analysis report using Excel Pivot tables.
- BI, 4%
Participated in remote reporting and regular technical conferences to present process feedback and update BI solution development schedule.
- Data Quality, 4%
Perform analysis profiling on existing data and identify root causes for data inaccuracies, Impact Analysis and recommendation of Data Quality.
"sql server," "data warehouse," and "unix" are among the most common skills that etl developers use at work. You can find even more etl developer responsibilities below, including:
Detail oriented. One of the key soft skills for an etl developer to have is detail oriented. You can see how this relates to what etl developers do because "developers often work on many parts of an application or system at the same time and must therefore be able to concentrate and pay attention to detail." Additionally, an etl developer resume shows how etl developers use detail oriented: "developed and documented informatica mappings/transformations, and informatica sessions in a detail design document. "
Interpersonal skills. Many etl developer duties rely on interpersonal skills. "software developers must be able to work well with others who contribute to designing, developing, and programming successful software.," so an etl developer will need this skill often in their role. This resume example is just one of many ways etl developer responsibilities rely on interpersonal skills: "have strong analytical and communication skills and excellent interpersonal skills with the ability to work independently and with the team. "
Problem-solving skills. etl developers are also known for problem-solving skills, which are critical to their duties. You can see how this skill relates to etl developer responsibilities, because "because developers are in charge of software from beginning to end, they must be able to solve problems that arise throughout the design process." An etl developer resume example shows how problem-solving skills is used in the workplace: "performed unit testing for the informatica mappings and resolved issues raised in testing and production environments. "
Analytical skills. etl developer responsibilities often require "analytical skills." The duties that rely on this skill are shown by the fact that "developers must analyze users’ needs and then design software to meet those needs." This resume example shows what etl developers do with analytical skills on a typical day: "gathered and analyzed the business requirements to develop a data warehouse model and evaluated to develop informatica mappings. "
Communication skills. A commonly-found skill in etl developer job descriptions, "communication skills" is essential to what etl developers do. Etl developer responsibilities rely on this skill because "developers must be able to give clear instructions to others working on a project." You can also see how etl developer duties rely on communication skills in this resume example: "involved communication with users, managers and business analysts for understanding the business logic and database. "
Creativity. While "creativity" is last on this skills list, don't underestimate its importance to etl developer responsibilities. Much of what an etl developer does relies on this skill, seeing as "developers are the creative minds behind new computer software." Here is a resume example of how this skill is used in the everyday duties of etl developers: "created the various bi reports for canadian receipt and inventory using business object. "
The three companies that hire the most etl developers are:
- The Independent Traveler120 etl developers jobs
- Mediacom Communications24 etl developers jobs
- Spectrum18 etl developers jobs
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Compare different etl developers
Etl developer vs. Business intelligence developer
A business intelligence developer is primarily responsible for organizing and developing systems that will inform the company of essential data and solutions as a basis for decision-making. They are also responsible for coordinating with stakeholders and other high-ranking personnel to determine specific goals, develop models, conduct research and analysis, and gather data through various processes, ensuring accuracy and productivity. Furthermore, as a developer, it is essential to ensure that all processes adhere to the company's standards and policies.
While similarities exist, there are also some differences between etl developers and business intelligence developer. For instance, etl developer responsibilities require skills such as "sql server," "bi," "data quality," and "informatica powercenter." Whereas a business intelligence developer is skilled in "business intelligence," "analytics," "dashboards," and "etl." This is part of what separates the two careers.
Business intelligence developers tend to make the most money working in the health care industry, where they earn an average salary of $92,515. In contrast, etl developers make the biggest average salary, $102,797, in the health care industry.business intelligence developers tend to reach similar levels of education than etl developers. In fact, business intelligence developers are 1.6% more likely to graduate with a Master's Degree and 0.2% more likely to have a Doctoral Degree.Etl developer vs. Data warehouse developer
Data Warehouse Developers are information technology (IT) professionals assigned to manage company-related information or data. They are responsible for creating the company's data warehouse, where the company's data will be stored. Data warehouse developers are also expected to provide the maintenance needs related to the program.
Each career also uses different skills, according to real etl developer resumes. While etl developer responsibilities can utilize skills like "sql server," "informatica workflow," "strong problem-solving," and "sdlc," data warehouse developers use skills like "etl," "hadoop," "visualization," and "ssis."
Data warehouse developers earn a higher average salary than etl developers. But data warehouse developers earn the highest pay in the insurance industry, with an average salary of $107,723. Additionally, etl developers earn the highest salaries in the health care with average pay of $102,797 annually.data warehouse developers earn similar levels of education than etl developers in general. They're 3.8% more likely to graduate with a Master's Degree and 0.2% more likely to earn a Doctoral Degree.Etl developer vs. Informatica developer
Informatica Developers are responsible for assisting in the process of maintaining all of the relevant sources of data and ensuring that all of the data is stored properly. This job involves coding, testing, and documentation of complex programs.
The required skills of the two careers differ considerably. For example, etl developers are more likely to have skills like "bi," "data lake," "power bi," and "t-sql." But a informatica developer is more likely to have skills like "informatica etl," "digital transformation," "idq," and "control-m."
Informatica developers earn the best pay in the pharmaceutical industry, where they command an average salary of $104,573. Etl developers earn the highest pay from the health care industry, with an average salary of $102,797.When it comes to education, informatica developers tend to earn similar degree levels compared to etl developers. In fact, they're 2.6% less likely to earn a Master's Degree, and 0.2% less likely to graduate with a Doctoral Degree.Etl developer vs. Lead software developer
A lead software developer is responsible for creating and designing software applications and systems to support business functions and client requirements. Lead software developers analyze specifications to build efficient applications, conduct multiple quality testing, and enhance the user's interface. They also coordinate with the design engineers to modify and improve the features of existing software applications for optimal performance. A lead software developer must have excellent communication and technical skills, especially in considering the current technology trends to meet demands.
Types of etl developer
Updated January 8, 2025
