Hands-on QA Engineer responsible for exploratory, functional, regression, API, security, accessibility, integration, and AI-feature testing across a legal SaaS platform. The role validates document retrieval and delivery workflows, investigates defects, uses SQL, logs, dashboards, and simulators for backend verification, and creates targeted automated checks with tools such as Playwright. Responsibilities also include testing authentication, permissions, LLM behavior, prompt injection, third-party integrations, and production issues while collaborating with engineering and product teams.