A Software tester (software test engineer) should be capable of designing test suites and should have the ability to understand usability issues. Such a tester is expected to have sound knowledge of software test design and test execution methodologies. It is very important for a software tester to have great communication skills so that he can interact with the development team efficiently. The roles and responsibilities for a usability software tester are as follows:

1. A Software Tester is responsible for designing testing scenarios for usability testing.
2. He is responsible for conducting the testing, thereafter analyze the results and then submit his observations to the development team.
3. He may have to interact with the clients to better understand the product requirements or in case the design requires any kind of modifications.
4. Software Testers are often responsible for creating test-product documentation and also has to participate in testing related walk through.

• To read all the documents and understand what needs to be tested.
• Based on the information procured in the above step decide how it is to be tested.
• Inform the test lead about what all resources will be required for software testing.
• Develop test cases and prioritize testing activities.
• Execute all the test case and report defects, define severity and priority for each defect.
• Carry out regression testing every time when changes are made to the code to fix defects.