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 representing typical tasks they are likely to perform in their roles.

  • 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" aren't the only skills we found senior etl developers list on their resumes. In fact, there's a whole list of senior etl developer responsibilities that we found, including:

  • Arguably the most important personality trait for a senior etl developer to have happens to be detail oriented. An example from a resume said this about the skill, "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, other resumes have pointed out that senior etl developers can use detail oriented to "developed informatica mappings to generate daily load status and health check reports detailing table level load statistics. "
  • Another trait important for fulfilling senior etl developer duties is interpersonal skills. According to a senior etl developer resume, "software developers must be able to work well with others who contribute to designing, developing, and programming successful software." Here's an example of how senior etl developers are able to utilize interpersonal skills: "have strong analytical and communication skills and excellent interpersonal skills with the ability to work independently and with the team. "
  • Another skill that is quite popular among senior etl developers is problem-solving skills. This skill is very critical to fulfilling every day responsibilities as is shown in this example from a senior etl developer resume: "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. "
  • In order for certain senior etl developer responsibilities to be completed, the job requires the skill "analytical skills." According to a senior etl developer resume, "developers must analyze users’ needs and then design software to meet those needs." As an example, this snippet was taken directly from a resume about how this skill applies: "designed and developed informatica mappings for handling data rejects and reprocessing of rejected data, loading of rejected data into database. "
  • As part of the senior etl developer description, you might find that one of the skills that might be helpful to the job is "communication skills." A senior etl developer resume included this snippet: "developers must be able to give clear instructions to others working on a project" This skill could be useful in this scenario: "frequent communication with the client, business, qa team on technical and functional queries. "
  • While "creativity" is listed last on this skills list, don't underestimate its importance to senior etl developer responsibilities. The skill is described by this resume snippet, "developers are the creative minds behind new computer software." Here is an example of how this skill is used, "created design documents and data flow diagrams of the related as/400 files for the inventory, products and revenue phases. "
  • See the full list of senior etl developer skills.

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    What Business Intelligence Developers Do

    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.

    In this section, we compare the average senior etl developer annual salary with that of a business intelligence developer. Typically, business intelligence developers earn a $11,741 lower salary than senior etl developers earn annually.

    While their salaries may differ, one common ground between senior etl developers and business intelligence developers are a few of the skills required in each craft. In both careers, employees bring forth skills like data warehouse, unix, and pl/sql.

    There are some key differences in responsibilities as well. For example, a 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 how truly different these two careers really are.

    Business intelligence developers really shine in the health care industry with an average salary of $92,515. Whereas 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.

    What Are The Duties Of a 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.

    Next up, we have the data warehouse developer profession to look over. This career brings along a lower average salary when compared to a senior etl developer annual salary. In fact, data warehouse developers salary difference is $10,900 lower than the salary of senior etl developers per year.

    Not everything about these jobs is different. Take their skills, for example. Senior etl developers and data warehouse developers both include similar skills like "data warehouse," "unix," and "informatica powercenter" on their resumes.

    But both careers also use 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," some 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 side of things, senior etl developers receive higher paychecks in the hospitality industry where they earn an average of $115,824.

    In general, data warehouse developers study at 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.

    How a Lead Software Developer Compares

    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.

    The third profession we take a look at is lead software developer. On an average scale, these workers bring in higher salaries than senior etl developers. In fact, they make a $10,791 higher salary per year.

    While looking through the resumes of several senior etl developers and lead software developers we discovered that both professions have similar skills. These similarities include skills such as "unix," "sql server," and "pl/sql," but they differ when it comes to other required skills.

    There are many key differences between these two careers as shown by resumes from each profession. Some of those differences include the skills required to complete responsibilities within each role. As an example of this, 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. Whereas senior etl developers are paid the highest salary in the hospitality industry with the average being $115,824.

    Lead software developers are known to earn similar educational levels when compared to senior etl developers. Additionally, they're 2.7% less likely to graduate with a Master's Degree, and 1.6% less likely to earn a Doctoral Degree.

    Description Of a 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.

    Team lead and developers tend to earn a lower pay than senior etl developers by about $18,457 per year.

    While both senior etl developers and team lead and developers complete day-to-day tasks using similar skills like data warehouse, unix, and sql server, the two careers also vary in other skills.

    Each job requires different skills like "informatica powercenter," "informatica workflow," "schema," and "data analysis," which might show up on a senior etl developer resume. Whereas team lead and developer might include skills like "architecture," "c++," "javascript," and "object oriented programming."

    Team lead and developers earn a higher salary in the telecommunication industry with an average of $110,027. Whereas, senior etl developers earn the highest salary in the hospitality industry.

    Team lead and developers reach similar levels of education when compared to senior etl developers. The difference is that they're 4.9% more likely to earn a Master's Degree less, and 1.5% more likely to graduate with a Doctoral Degree.