Why do I need a separate testing team if developers can test the product themselves?

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Having a separate testing team is a beneficial way to ensure that the product is tested and validated from an unbiased point of view. Developers may be too close to the code of the product to provide an unbiased evaluation of it, and may not be completely objective about the quality of the product. A separate testing team, that is entirely independent from the development team, can provide a more accurate assessment of a product. This can result in a better and more reliable product that meets quality standards.

While developers can and should test their code to ensure that it meets the expected functional and non-functional requirements, there are several reasons why having a separate testing team can be beneficial:

Independent perspective and reduced bias: A software testing team can provide an independent perspective on the software being developed. Developers may be biased towards their own code and may not identify issues that are present. Therefore, having a separate team to review and test the software can provide a fresh perspective and help identify issues that may be overlooked.

Specialized skillset: Software testing requires a specialized skillset that not all developers may possess. A dedicated testing team can bring in their expertise and specialized knowledge to identify issues that might be difficult for developers to spot.

Focus on quality: A separate testing team can focus on ensuring that the software meets the desired level of quality. While developers are responsible for creating code, testing teams are responsible for ensuring that the software meets the requirements and expectations of the end-users.

Increased efficiency: A dedicated testing team can test the software more efficiently than developers. Testing can be a time-consuming process, and developers may not have the time to test the software as thoroughly as a dedicated testing team can.

In conclusion, developers should test their code/product. In addition, a dedicated software testing team should validate the product. Testers provide outward and independent perspective to the product's performance and acceptability by users.

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