Own the test strategy for features and releases, ensuring risk-based coverage aligned to product goals. Explore and test complex systems end-to-end. Design, develop, and maintain automated test frameworks for backend and UI testing. Collaborate closely with engineering and product teams to influence features, advocate for testability, and align on quality standards. Conduct exploratory testing to identify usability issues, edge cases, and potential regressions. Integrate automated tests into CI/CD pipelines. Mentor peers and junior engineers on quality mindset and test automation best practices.