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Systems tester vs functional tester

The differences between systems testers and functional 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 a functional tester. Additionally, a systems tester has an average salary of $95,834, which is higher than the $76,647 average annual salary of a functional tester.

The top three skills for a systems tester include python, java and C++. The most important skills for a functional tester are java, test cases, and web application.

Systems tester vs functional tester overview

Systems TesterFunctional Tester
Yearly salary$95,834$76,647
Hourly rate$46.07$36.85
Growth rate--
Number of jobs112,98537,146
Job satisfaction--
Most common degreeBachelor's Degree, 68%Bachelor's Degree, 62%
Average age4444
Years of experience44

What does a systems tester do?

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.

What does a functional tester do?

A functional tester's main responsibility is to validate the behavior of an application and analyzed the requirements of the clients. They are skilled in Java and database design for software development. The tasks they do are complex, including scanning IDs of the receiver and serial numbers on each unit, testing the units to make sure they work properly, and checking for any defects and damages. They are also trained in using numerical codes for passing or failing each unit and writing serial numbers on the production tracker.

Systems tester vs functional tester salary

Systems testers and functional testers have different pay scales, as shown below.

Systems TesterFunctional Tester
Average salary$95,834$76,647
Salary rangeBetween $73,000 And $124,000Between $61,000 And $94,000
Highest paying CitySan Francisco, CABellevue, WA
Highest paying stateCaliforniaWashington
Best paying companyAppleCerner
Best paying industryFinanceTechnology

Differences between systems tester and functional tester education

There are a few differences between a systems tester and a functional tester in terms of educational background:

Systems TesterFunctional Tester
Most common degreeBachelor's Degree, 68%Bachelor's Degree, 62%
Most common majorComputer ScienceComputer Science
Most common collegeCalifornia State University - Long BeachCalifornia State University - Long Beach

Systems tester vs functional tester demographics

Here are the differences between systems testers' and functional testers' demographics:

Systems TesterFunctional Tester
Average age4444
Gender ratioMale, 63.5% Female, 36.5%Male, 65.3% Female, 34.7%
Race ratioBlack 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 Percentage11%11%

Differences between systems tester and functional tester duties and responsibilities

Systems tester example responsibilities.

  • Orchestrate efforts with test leads in hardware, firmware, OS and application labs to optimize program-wide system testing costs.
  • Develop web page for achieving documentation and developing a multiple user interface with JavaScript and Perl.
  • Used Perl to implement new library API, which allow communication with different types of controllers.
  • Build continuous integration system using Jenkins for internal team usage for nightly builds, sanity and regression testing.
  • Own the automation test suites for both API and UI testing, updating test suites for product changes each sprint.
  • Develop test scenarios, test cases and EDI Unix files, as well as their GUI counterparts for test execution.
  • Show more

Functional tester example responsibilities.

  • Manage UNIX system workstations in ATM test team and troubleshooting system problems.
  • Develop web page for achieving documentation and developing a multiple user interface with JavaScript and Perl.
  • Perform end to end testing for the whole project and create any defects find while testing the application in JIRA.
  • Develop and maintain test data scripts to support regression testing and participate actively in system testing and regression testing.
  • Perform various test scenarios including positive and negative testing and also execute performance, regression testing to ensure business functionality coverage.
  • Experience in UAT and involve in UAT testing and setup the UAT environment.
  • Show more

Systems tester vs functional tester skills

Common systems tester skills
  • Python, 12%
  • Java, 9%
  • C++, 7%
  • C #, 7%
  • Test Automation, 5%
  • Selenium, 4%
Common functional tester skills
  • Java, 11%
  • Test Cases, 6%
  • Web Application, 5%
  • Selenium, 4%
  • Test Automation, 4%
  • C Net, 4%

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