Senior QA Engineer (Mobile) based in Bulgaria is a fully remote role focused on owning the QA lifecycle for mobile products. You will drive quality through feature validation, test planning, and production deployment, combining hands-on testing, automation, and collaboration with cross-functional engineering teams to improve stability, user experience, and release confidence across mobile platforms. This position works in a remote, international environment and involves testing across iOS and Android on real devices and emulators. Responsibilities include driving QA across mobile product development, owning the quality validation process from technical hand-off to production deployment, reviewing product specifications, defining test strategies, and creating detailed test plans, cases, and checklists. You will estimate testing efforts, perform functional, exploratory, regression, UI/UX, and end-to-end API testing, and develop and expand mobile test automation frameworks for UI and API testing. You will integrate automated testing into CI/CD pipelines, automate critical user journeys, manage test data, and participate in test documentation and code reviews to maintain high engineering standards. You will collaborate with Product Managers, Mobile Engineers, Backend Engineers, and Architects throughout the development lifecycle and support releases by validating builds, testing deep links, performing pre-release checks, and monitoring production performance. You will track QA metrics such as test coverage, defect rates, and automation effectiveness. The ideal candidate has str

Senior QA Engineer (Mobile) based in Bulgaria is a fully remote role focused on owning the QA lifecycle for mobile products. You will drive quality through feature validation, test planning, and production deployment, combining hands-on testing, automation, and collaboration with cross-functional engineering teams to improve stability, user experience, and release confidence across mobile platforms. This position works in a remote, international environment and involves testing across iOS and Android on real devices and emulators. Responsibilities include driving QA across mobile product development, owning the quality validation process from technical hand-off to production deployment, reviewing product specifications, defining test strategies, and creating detailed test plans, cases, and checklists. You will estimate testing efforts, perform functional, exploratory, regression, UI/UX, and end-to-end API testing, and develop and expand mobile test automation frameworks for UI and API testing. You will integrate automated testing into CI/CD pipelines, automate critical user journeys, manage test data, and participate in test documentation and code reviews to maintain high engineering standards. You will collaborate with Product Managers, Mobile Engineers, Backend Engineers, and Architects throughout the development lifecycle and support releases by validating builds, testing deep links, performing pre-release checks, and monitoring production performance. You will track QA metrics such as test coverage, defect rates, and automation effectiveness. The ideal candidate has str