Tether is seeking an Automation QA Engineer to own desktop and mobile test automation and perform manual/exploratory testing across its platforms. The role collaborates with developers and product teams to ensure quality, reliability, and fast feedback on new features. The ideal candidate has 4+ years in QA, strong TS/JS, and hands-on experience with Playwright, WebdriverIO + Appium, plus familiarity with Electron or React Native apps on real devices. Remote work with integral teams is available.