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The differences between 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 tester and an etl tester. Additionally, an etl tester has an average salary of $80,801, which is higher than the $65,202 average annual salary of a tester.
The top three skills for a tester include java, test results and web application. The most important skills for an etl tester are test cases, test plan, and unix.
| Tester | ETL Tester | |
| Yearly salary | $65,202 | $80,801 |
| Hourly rate | $31.35 | $38.85 |
| Growth rate | - | - |
| Number of jobs | 52,595 | 35,095 |
| Job satisfaction | 5 | - |
| Most common degree | Bachelor's Degree, 46% | Bachelor's Degree, 70% |
| Average age | 44 | 44 |
| Years of experience | 4 | 4 |
The role of technical testers is to test computer software for defects, bug errors, or any issues that may come across by an end-user. They mainly conduct product testing and prepare reports about any problems or recommendations for improvements. Other responsibilities include reviewing test plans, assessing and analyzing product specifications and requirements, and mapping out testing strategy. Technical testers also frame the test environments or support network management staff and system administrators. Qualifications for this position include knowledge of the database or structured query language, proficiency in Linux commands, and proficiency in defect tracking tools.
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.
Testers and etl testers have different pay scales, as shown below.
| Tester | ETL Tester | |
| Average salary | $65,202 | $80,801 |
| Salary range | Between $42,000 And $99,000 | Between $65,000 And $100,000 |
| Highest paying City | San Francisco, CA | San Francisco, CA |
| Highest paying state | Maryland | Washington |
| Best paying company | Apple | Populus Group |
| Best paying industry | Telecommunication | Finance |
There are a few differences between a tester and an etl tester in terms of educational background:
| Tester | ETL Tester | |
| Most common degree | Bachelor's Degree, 46% | Bachelor's Degree, 70% |
| Most common major | Computer Science | Computer Science |
| Most common college | - | Massachusetts Institute of Technology |
Here are the differences between testers' and etl testers' demographics:
| Tester | ETL Tester | |
| Average age | 44 | 44 |
| Gender ratio | Male, 63.0% Female, 37.0% | 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% |