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The differences between systems testers and etl testers can be seen in a few details. Each job has different responsibilities and duties. It typically takes 2-4 years to become both a systems tester and an etl tester. Additionally, a systems tester has an average salary of $95,834, which is higher than the $80,801 average annual salary of an etl tester.
The top three skills for a systems tester include python, java and C++. The most important skills for an etl tester are test cases, test plan, and unix.
| Systems Tester | ETL Tester | |
| Yearly salary | $95,834 | $80,801 |
| Hourly rate | $46.07 | $38.85 |
| Growth rate | - | - |
| Number of jobs | 112,985 | 35,095 |
| Job satisfaction | - | - |
| Most common degree | Bachelor's Degree, 68% | Bachelor's Degree, 70% |
| Average age | 44 | 44 |
| Years of experience | 4 | 4 |
A systems tester is an information technology expert who specializes in developing test structures to identify the strengths and weaknesses of systems and software. They primarily work to identify and eliminate bugs to ensure quality and client satisfaction. They may also perform clerical tasks such as preparing reports and findings. Furthermore, as a systems tester, it is essential to recommend solutions against problem areas, all while adhering to the project's budgets and the company's policies and regulations.
An ETL tester is responsible for validating data sources, extracting data applications of transformation logic, and uploading data in target tables. They are responsible for designing, testing, and troubleshooting the company's data storage system before it goes live. They must have strong technical capabilities and good knowledge of the coding languages commonly used in ETL development, such as Java, SQL, XML. Familiarity with data warehouse architecture techniques like ODS, DM, EDW, M, and ROLAP is also needed. Employers or clients often prefer ETL developers with extensive experience in solving complex technical problems and troubleshooting.
Systems testers and etl testers have different pay scales, as shown below.
| Systems Tester | ETL Tester | |
| Average salary | $95,834 | $80,801 |
| Salary range | Between $73,000 And $124,000 | Between $65,000 And $100,000 |
| Highest paying City | San Francisco, CA | San Francisco, CA |
| Highest paying state | California | Washington |
| Best paying company | Apple | Populus Group |
| Best paying industry | Finance | Finance |
There are a few differences between a systems tester and an etl tester in terms of educational background:
| Systems Tester | ETL Tester | |
| Most common degree | Bachelor's Degree, 68% | Bachelor's Degree, 70% |
| Most common major | Computer Science | Computer Science |
| Most common college | California State University - Long Beach | Massachusetts Institute of Technology |
Here are the differences between systems testers' and etl testers' demographics:
| Systems Tester | ETL Tester | |
| Average age | 44 | 44 |
| Gender ratio | Male, 63.5% Female, 36.5% | Male, 60.5% Female, 39.5% |
| Race ratio | Black or African American, 6.2% Unknown, 4.7% Hispanic or Latino, 8.8% Asian, 12.0% White, 67.7% American Indian and Alaska Native, 0.5% | Black or African American, 6.2% Unknown, 4.7% Hispanic or Latino, 8.8% Asian, 12.0% White, 67.7% American Indian and Alaska Native, 0.5% |
| LGBT Percentage | 11% | 11% |