Of course, with any challenging career, there are also some challenges that come along with it. As a full stack automation engineer, you will need to be able to learn new technologies quickly and effectively. You will also need to be able to work in a fast-paced and ever-changing environment. In addition, because full-stack automation engineers are in high demand, you may find yourself working long hours or on call more often than you would like. However, the rewards of becoming a full stack automation engineer far outweigh the challenges. If you are looking for a challenging and rewarding career, then a career as a full stack automation engineer may be right for you.

QA in software testing is the process of assuring the quality of a software product. This includes verifying the functionality of the software, as well as its compliance with industry standards. QA testing can be performed manually or through automation. Automated testing is often used to verify the functionality of a software product before it is released to customers. QA testing can also be used to verify the compliance of a software product with industry standards.

In order to ensure the quality of a software product, QA testing must be performed throughout the software development process. This includes the requirements gathering phase, the design phase, the implementation phase, and the testing phase. QA testing during each phase of the software development process can help to identify errors and potential problems early on, so that they can be corrected before the software is released to customers.

QA testing is an important part of the software development process, and it is essential for ensuring the quality of a software product. QA testing can be performed manually or through automation.

Agile engineering is a set of engineering practices based on the principles of the Agile Manifesto. It is intended to help software developers deliver high-quality, working software more efficiently and effectively. 

Some of the key practices of agile engineering include: 

- Continuous testing: Testing should be done continuously throughout the software development process. This helps to identify errors early on, so that they can be fixed before the software is released.

- Refactoring: This is the process of improving the code without changing its functionality. This can help to make the code more efficient and easier to maintain.

- Pair programming: This is where two developers work together on the same code. This can help to improve the quality of the code, as well as providing a check on each other’s work.

- Continuous integration: This is the practice of merging all changes to the code into a central repository frequently. This helps to avoid conflicts between different versions of the code, and makes it easier to track changes.

- Test-driven development: This is a methodology where tests are written before the code, so that they can be used to guide the development process. This helps to ensure that the code meets the requirements specified in the tests. 

Do engineers use Agile?

Yes, agile engineering is a popular methodology used by many software developers. It is especially well suited to projects that are constantly changing and evolving, as it is very flexible and can adapt to changes quickly.

No, QA tester is not a hard job. However, like any job, it has its challenges. The key to being a successful QA tester is to be able to adapt to change and to be able to learn new things quickly.QA testers need to have strong problem-solving skills and be able to think critically. They also need to be able to communicate effectively with both developers and non-technical staff.