Do you enjoy using code? Do you have an eye for flaws that others miss? If so, a career as a QA tester or software tester would be of interest to you.Software testing is a procedure used to make sure that programs are accurate and of high quality. As a result, software testers are able to find defects or mistakes in the product. Software testing guarantees that an application runs smoothly and yields reliable results.For instance:A software bug that affected over 300,000 traders on the financial markets caused the Bloomberg terminal in London to crash in April 2015. A 3 billion pound debt auction had to be postponed by the government as a result.Due to software malfunctions in the airbag sensory detectors, Nissan vehicles have had to recall more than a million vehicles from the market.