Once you have defined your QA needs, you can evaluate the skills and competencies of potential QA professionals using resumes, portfolios, references, tests, interviews, and assessments. When assessing their QA knowledge, experience, and abilities, look for those with a comprehensive understanding of QA methodologies and best practices. They should be familiar with different approaches such as agile, waterfall, or hybrid approaches and know how to apply them to various software development scenarios. Additionally, they should have technical skills to test, analyze, and troubleshoot software products and services. This includes being able to use different programming languages, frameworks, platforms, and environments that are relevant to your project or product as well as writing, executing, and maintaining test scripts, cases, plans, and scenarios. Lastly, they need to possess soft skills to communicate effectively with other stakeholders in the software development process. These include conveying clear and concise feedbacks and reports as well as working independently or in a team while being able to adapt to changing requirements and situations.