Test IO is a platform that connects testers with app developers. You can work from anywhere, test the latest apps, and earn extra money by finding bugs and reporting them. ₹ 6,726 41% off Hot Deal SIGMA Analog Voltage Tester ₹4,305 ₹ 7,999 46% off What does a Software Tester Do? A software tester plays a crucial role in ensuring the quality and functionality of software applications. The primary responsibility of software tester is to identify, assess, and report bugs or defects in the software. Software Tester Job Description Summary: A software tester validates each feature of an application against specifications and user needs. They create and run manual and automated tests, log defects and work with developers to fix issues.