Tivity is seeking a Senior Quality Assurance Engineer to advance our modernization initiative. You will validate upgrades from .NET 6 to .NET 10, implement robust testing strategies, and partner with developers, SDET resources, and stakeholders to ensure production readiness.Responsibilities include functional, regression, integration, and end-to-end testing across modernized apps, defect management, and release readiness activities.#J-*****-Ljbffr