What does a senior etl developer do?
An ETL (extract transform load) developer is an IT specialist who designs and fills advanced data storage systems intended for the clientele. ETL developers are responsible for loading business data into a data warehouse. Their role is significant in the establishment and growth of large data warehouses. It is their responsibility to implement the ETL processes. Their skillset includes expertise in data analysis, a background in software engineering, experience with database architecture, and knowledge in using ETL tools.
Senior etl developer responsibilities
Here are examples of responsibilities from real senior etl developer resumes:
- Develop custom interface for executing and managing SSIS packages.
- Create UNIX scripts to create data files and FTP it to windows/ TM1/ Linux servers for reporting.
- Extract data from various relational databases, application systems, flat files, XML documents, and load into data warehouse.
- Develop PL/SQL store procedures to incorporate complex business rules.
- Experience in big data, cloud and hadoop distribute file systems HDFS.
- Close worked and help other team members for Hadoop projects for any issues.
- Used Java transformation to parse through a text column with array of patient trend data.
- Work on different transformations like aggregator, expression, look up, filter, router, joiner etc.
- Interact with software, network, database, and Linux administrators to seamlessly implement solutions to complex technical issues.
- Implement defect management, automate regression testing, performance testing, requirement review, code review, release management.
- Extract data from fix width flat files to load into the DB2 staging area and then to the data mart.
- Involve in understanding the scope of application, schema, data model and defining relationship within and between groups of data.
- Point for contact to interact with QA and UAT team for defect analysis and providing estimates to fix the incoming defects.
- Schedule and monitor automated weekly jobs under UNIX environment.
- Develop PL/SQL procedures, functions to facilitate specific requirement.
Senior etl developer skills and personality traits
We calculated that 6% of Senior ETL Developers are proficient in Data Warehouse, Unix, and SQL Server. They’re also known for soft skills such as Detail oriented, Interpersonal skills, and Problem-solving skills.
We break down the percentage of Senior ETL Developers that have these skills listed on their resume here:
- Data Warehouse, 6%
Devised and constructed high-performance ETL processes that load a normalized operational data store and dimensional data warehouse.
- Unix, 6%
Scheduled and monitored automated weekly jobs under UNIX environment.
- SQL Server, 5%
Used SQL server transformation for balancing process and pipeline partitioning for mapping optimization.
- Informatica Powercenter, 5%
Extract current and historical data load from legacy system and load into policy admin system using Informatica PowerCenter XML generator.
- PL/SQL, 5%
Developed Oracle PL/SQL code to write DDL/DML statements and Stored Procedures/functions/packages for data transformation and manipulation.
- Informatica Workflow, 4%
Optimized Data warehouse Informatica workflows and redesigned wherever necessary to remove unwanted mappings which are no longer meets current business requirements.
"data warehouse," "unix," and "sql server" are among the most common skills that senior etl developers use at work. You can find even more senior etl developer responsibilities below, including:
Detail oriented. One of the key soft skills for a senior etl developer to have is detail oriented. You can see how this relates to what senior 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, a senior etl developer resume shows how senior etl developers use detail oriented: "developed informatica mappings to generate daily load status and health check reports detailing table level load statistics. "
Interpersonal skills. Another soft skill that's essential for fulfilling senior etl developer duties is interpersonal skills. The role rewards competence in this skill because "software developers must be able to work well with others who contribute to designing, developing, and programming successful software." According to a senior etl developer resume, here's how senior etl developers can utilize interpersonal skills in their job responsibilities: "have strong analytical and communication skills and excellent interpersonal skills with the ability to work independently and with the team. "
Problem-solving skills. Another skill that relates to the job responsibilities of senior etl developers is problem-solving skills. This skill is critical to many everyday senior etl developer duties, as "because developers are in charge of software from beginning to end, they must be able to solve problems that arise throughout the design process." This example from a resume shows how this skill is used: "identified and resolved the bottlenecks in source, target, transformations, informatica mappings and sessions to improve performance. "
Analytical skills. For certain senior etl developer responsibilities to be completed, the job requires competence in "analytical skills." The day-to-day duties of a senior etl developer rely on this skill, as "developers must analyze users’ needs and then design software to meet those needs." For example, this snippet was taken directly from a resume about how this skill applies to what senior etl developers do: "designed and developed informatica mappings for handling data rejects and reprocessing of rejected data, loading of rejected data into database. "
Communication skills. A commonly-found skill in senior etl developer job descriptions, "communication skills" is essential to what senior etl developers do. Senior 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 senior etl developer duties rely on communication skills in this resume example: "frequent communication with the client, business, qa team on technical and functional queries. "
Creativity. While "creativity" is last on this skills list, don't underestimate its importance to senior etl developer responsibilities. Much of what a senior 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 senior etl developers: "created design documents and data flow diagrams of the related as/400 files for the inventory, products and revenue phases. "
The three companies that hire the most senior etl developers are:
- Honeywell66 senior etl developers jobs
- Guidehouse53 senior etl developers jobs
- Humana49 senior etl developers jobs
Choose from 10+ customizable senior etl developer resume templates
Build a professional senior etl developer resume in minutes. Our AI resume writing assistant will guide you through every step of the process, and you can choose from 10+ resume templates to create your senior etl developer resume.
Compare different senior etl developers
Senior 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.
There are some key differences in the responsibilities of each position. For example, senior etl developer responsibilities require skills like "sql server," "informatica powercenter," "informatica workflow," and "schema." Meanwhile a typical business intelligence developer has skills in areas such as "power bi," "business intelligence," "analytics," and "dashboards." This difference in skills reveals the differences in what each career does.
Business intelligence developers really shine in the health care industry with an average salary of $92,515. Comparatively, senior etl developers tend to make the most money in the hospitality industry with an average salary of $115,824.business intelligence developers tend to reach similar levels of education than senior etl developers. In fact, business intelligence developers are 0.7% less likely to graduate with a Master's Degree and 0.3% more likely to have a Doctoral Degree.Senior 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 senior etl developer resumes. While senior etl developer responsibilities can utilize skills like "sql server," "informatica workflow," "control-m," and "informatica mappings," data warehouse developers use skills like "etl," "hadoop," "visualization," and "power bi."
Data warehouse developers may earn a lower salary than senior etl developers, but data warehouse developers earn the most pay in the insurance industry with an average salary of $107,723. On the other hand, senior etl developers receive higher pay in the hospitality industry, where they earn an average salary of $115,824.In general, data warehouse developers achieve similar levels of education than senior etl developers. They're 1.5% more likely to obtain a Master's Degree while being 0.3% more likely to earn a Doctoral Degree.Senior 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.
There are many key differences between these two careers, including some of the skills required to perform responsibilities within each role. For example, a senior etl developer is likely to be skilled in "data warehouse," "informatica powercenter," "informatica workflow," and "schema," while a typical lead software developer is skilled in "architecture," "application development," "software development," and "api."
Lead software developers make a very good living in the manufacturing industry with an average annual salary of $115,917. On the other hand, senior etl developers are paid the highest salary in the hospitality industry, with average annual pay of $115,824.lead software developers typically earn similar educational levels compared to senior etl developers. Specifically, they're 2.7% less likely to graduate with a Master's Degree, and 1.6% less likely to earn a Doctoral Degree.Senior etl developer vs. Team lead and developer
A team lead and developer is a person who handles a group of employees in a particular section, geared to accomplish daily specific goals. The team lead and developer ensures that the team works cohesively and efficiently to achieve its goals. It is the role of the team lead to ensure employees are well-equipped, trained properly, and capable. The team lead conducts regular assessments of teammates and offers support. Added to the role of the team lead is to request training, enhancement seminars, and submit accomplishment and activity reports to company management.
Types of senior etl developer
Updated January 8, 2025
