We are seeking a highly experienced and collaborative Principal Software QA Engineer to lead the testing process for applications at Veracyte that directly help our company expand and develop new diagnostic solutions to improve patient outcomes and lower healthcare costs. The Principal Software Tester is a senior, hands-on quality leader responsible for defining, executing, and continuously improving the software testing strategy within Veracyte's regulated environment. This role ensures that all software products meet applicable quality, safety, and compliance requirements while supporting efficient delivery processes. The Principal Software Tester acts as a subject-matter expert in verification and validation (V&V), test automation, risk-based testing, and regulatory compliance, providing technical guidance to junior testers and collaborating closely with engineering, product, and quality functions.