N-iX seeks a Lead QA Engineer to join their team working with a major European fashion retailer. Responsibilities include developing BDD test cases, collaborating with the Product Owner on acceptance criteria, automating tests (integration, E2E), managing test data, monitoring test coverage, performing manual exploratory testing, reviewing automated test cases, defining sanity/smoke tests, analyzing defects, implementing non-functional testing strategies (performance, security), tracking quality metrics, and improving QA processes. The role requires strong QA methodologies, BDD/TDD experience, mobile testing skills (iOS/Android), familiarity with automation tools (Appium, Espresso, XCUITest), and excellent communication skills.