Quality assurance is one of the essential phases of the software industry. The idea behind adopting this process is the requirement of flawlessly tested software or the application by clients, worldwide. All the organizations want to develop well tested and a good quality software product before being deployed to the customers. Thus, it is the primary concern for the developers to carry out all the tests and assurance checks by eliminating all the errors and defects of the product, before offering it to the customer. As quality assurance is the crucial step in software development, the organizations are always looking for the Quality Assurance Engineer, Analyst, Tester and thus there are plenty of job opportunities for the candidates who are looking for a career in this field.