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The differences between etl developers 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 an etl developer and an etl tester. Additionally, an etl developer has an average salary of $92,419, which is higher than the $80,801 average annual salary of an etl tester.
The top three skills for an etl developer include sql server, data warehouse and unix. The most important skills for an etl tester are test cases, test plan, and unix.
| ETL Developer | ETL Tester | |
| Yearly salary | $92,419 | $80,801 |
| Hourly rate | $44.43 | $38.85 |
| Growth rate | 21% | - |
| Number of jobs | 88,652 | 35,095 |
| Job satisfaction | - | - |
| Most common degree | Bachelor's Degree, 76% | Bachelor's Degree, 70% |
| Average age | 39 | 44 |
| Years of experience | 4 | 4 |
An ETL developer is responsible for managing data storage systems to secure the organization's data and files for daily operations efficiency. ETL developers perform multiple system testing to ensure the system's accuracy, perform coding adjustments, and troubleshoot for any defects and inconsistencies. They work closely with other development teams to design storage functions to optimize solutions. An ETL developer must have extensive knowledge of the technology industry and a strong command of programming languages to develop an accurate and operational database.
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.
Etl developers and etl testers have different pay scales, as shown below.
| ETL Developer | ETL Tester | |
| Average salary | $92,419 | $80,801 |
| Salary range | Between $72,000 And $118,000 | Between $65,000 And $100,000 |
| Highest paying City | San Francisco, CA | San Francisco, CA |
| Highest paying state | Washington | Washington |
| Best paying company | Meta | Populus Group |
| Best paying industry | Health Care | Finance |
There are a few differences between an etl developer and an etl tester in terms of educational background:
| ETL Developer | ETL Tester | |
| Most common degree | Bachelor's Degree, 76% | Bachelor's Degree, 70% |
| Most common major | Computer Science | Computer Science |
| Most common college | Massachusetts Institute of Technology | Massachusetts Institute of Technology |
Here are the differences between etl developers' and etl testers' demographics:
| ETL Developer | ETL Tester | |
| Average age | 39 | 44 |
| Gender ratio | Male, 68.0% Female, 32.0% | Male, 60.5% Female, 39.5% |
| Race ratio | Black or African American, 4.3% Unknown, 4.7% Hispanic or Latino, 8.0% Asian, 35.2% White, 47.7% American Indian and Alaska Native, 0.2% | 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 | 8% | 11% |