Who is a skilled professional involved in the testing of a component or system?

A skilled professional involved in the testing of a component or system is identified as a tester. Testers have a specialized role that focuses on identifying bugs, ensuring functionality, and verifying that the system meets the specified requirements. They utilize various testing techniques and methodologies to evaluate software quality, performance, usability, and security.

Testers often work closely with developers to understand the software design and implementation deeply, which allows them to create effective test cases and conduct thorough testing. They focus on revealing defects and ensuring that the end product delivers the desired experience to users. Their expertise in various testing tools and frameworks further enhances their ability to assess software quality rigorously.

While developers, managers, and analysts all play important roles in the software development process, their primary responsibilities differ significantly from those of a tester. Developers concentrate on writing and maintaining code, managers oversee project execution and team performance, and analysts gather requirements and interpret stakeholder needs. Thus, the unique skill set and focus of testers make them crucial for effective software testing.