The role of a QA tester is often complex and requires a unique set of skills. It's not merely about finding bugs; it's about understanding software applications, breaking them down, and finding potential weak points. It involves deep analytical thinking, problem-solving skills, keen attention to detail, and effective communication. QA testers also need to keep up with changing technologies and methodologies in software development. If you hire QA testers or hire QA engineers or hire software test engineers, they often have to work under tight deadlines, especially in agile development environments. The job can be both mentally and sometimes emotionally challenging, as QA testers often act as gatekeepers of software product quality amidst pressures to release products quickly.