Leads QA automation strategy and execution for enterprise SaaS products. Builds and maintains Playwright-based frameworks, automated system, integration, regression, and API tests, and integrates quality gates with GitHub Actions and Zephyr Scale. Defines risk-based testing strategies, metrics, test plans, and validation documentation; manages test data and environments; performs manual testing, UAT, and defect triage. Mentors automation engineers and partners with engineering, product, design, support, and customer success teams.