• Guide framework decisions: Choose and standardize testing tools (RSpec over Minitest, Jest over Mocha) and lead architectural adoption across the platform • Build enablement infrastructure: Design factory patterns, data seeds, and service stubs enabling sophisticated testing in inner development loops without full integration • Define quality standards together: Establish coverage thresholds, test suite structures for product types, and boundary metrics giving teams clear targets • Optimize delivery pipelines: Integrate quality gates into CI/CD, balance performance and reliability, and analyze data to eliminate shipping bottlenecks • Mentor and share best practices: Collaborate with teams on avoiding flaky tests, designing testable code, and building robust automated coverage • Enable data-informed improvements: Analyze quality metrics (flaky tests, incidents, DORA) to identify systemic issues and facilitate process improvements