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The differences between test specialists 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 test specialist and an etl tester. Additionally, an etl tester has an average salary of $80,801, which is higher than the $76,761 average annual salary of a test specialist.
The top three skills for a test specialist include test results, test cases and java. The most important skills for an etl tester are test cases, test plan, and unix.
| Test Specialist | ETL Tester | |
| Yearly salary | $76,761 | $80,801 |
| Hourly rate | $36.90 | $38.85 |
| Growth rate | - | - |
| Number of jobs | 58,423 | 35,095 |
| Job satisfaction | - | - |
| Most common degree | Bachelor's Degree, 57% | Bachelor's Degree, 70% |
| Average age | 44 | 44 |
| Years of experience | 4 | 4 |
A test specialist is responsible for evaluating and running diagnostic tests for system networks and applications to ensure stability and efficiency according to the quality standards. Test specialists analyze the system's features and write findings reports for improvement and technical resolutions. They also help system engineers in developing infrastructures and designing servers to support business operations and maximize productivity. A test specialist must have excellent communication and organizational skills, especially in identifying malfunctions and inconsistencies before the actual launch of deliverables.
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.
Test specialists and etl testers have different pay scales, as shown below.
| Test Specialist | ETL Tester | |
| Average salary | $76,761 | $80,801 |
| Salary range | Between $61,000 And $96,000 | Between $65,000 And $100,000 |
| Highest paying City | Columbia, MD | San Francisco, CA |
| Highest paying state | Maryland | Washington |
| Best paying company | Sony Interactive Entertainment America | Populus Group |
| Best paying industry | - | Finance |
There are a few differences between a test specialist and an etl tester in terms of educational background:
| Test Specialist | ETL Tester | |
| Most common degree | Bachelor's Degree, 57% | Bachelor's Degree, 70% |
| Most common major | Business | Computer Science |
| Most common college | Stanford University | Massachusetts Institute of Technology |
Here are the differences between test specialists' and etl testers' demographics:
| Test Specialist | ETL Tester | |
| Average age | 44 | 44 |
| Gender ratio | Male, 62.1% Female, 37.9% | 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% |