Software test engineer is more than profession. It is a proactive way of life and desire to make this life better for all, with feasible and effective ways. Goals of software tester are closest to the business objectives and strategic goals of the company in respect of software product and at the same time deep inside the company as a researcher. So its main qualities are the energy, knowledge and flexibility. In some way, testers are researchers from the world of software development. Therefore, easily recognizable symbol in the hands of the test engineer is a magnifying glass (lens), to observe the bugs.