Fullstack QA Engineer - Remote

## About the CompanyTangem AG is a high-tech company operating in the blockchain sector. Founded in 2017 and headquartered in Zug, Switzerland, Tangem has branches across North America, Eastern Europe, and APAC.The company develops secure hardware wallets and mobile applications designed to make digital assets more accessible. Its smartcard-based hardware wallet technology combines security with a simple user experience and supports thousands of tokens across more than 220 countries.## About the RoleTangem is seeking a Fullstack QA Engineer (Mobile) to help ensure the quality, reliability, and usability of its mobile applications and smart card software. This role combines mobile application testing, API and backend testing, defect investigation, test documentation, and continuous improvement of QA processes.The ideal candidate has strong experience testing iOS and Android applications, understands client-server architecture, and brings a product-focused mindset to quality assurance. Experience in fintech, cryptocurrency, or other financial applications is highly valued.### Key Responsibilities* Test mobile applications across iOS and Android platforms.* Test smart card software and related functionality.* Perform API and backend testing.* Create, maintain, and update test cases, test plans, testing reports, and other QA documentation.* Investigate bugs and customer-reported incidents.* Collaborate with development and support teams to identify and resolve product issues.* Contribute to the development and improvement of testing processes and QA methodologies.* Apply a product mindset focused on user satisfaction, reliability, and software quality.* Work toward expanding automated testing capabilities.### Required Qualifications* 4+ years of experience in mobile application testing.* Hands-on testing experience with iOS and Android applications.* Strong understanding of software testing methods and methodologies.* Experience with API and backend testing.* Understanding of client-server interaction and modern technology environments.* Experience working in Agile teams.* Ability to work effectively in fast-paced startup environments.* Strong technical and analytical skills.* Product-oriented approach with a strong focus on user experience and quality.* Experience testing fintech products such as payment applications, cryptocurrency platforms, or banking applications.* Experience working with analytics, monitoring, and application logs.* Familiarity with tools such as Amplitude, Sentry, or Kibana.* Interest in developing further expertise in automated testing.### Nice-to-Have Qualifications* Experience incorporating AI tools into daily QA and development workflows.* Experience writing automated mobile application tests.* Knowledge of Kotlin or Swift.* Experience with mobile testing frameworks such as Kaspresso or XCUITest.### Benefits and Perks* Opportunity to contribute to the growth of a high-potential technology company.* Fully remote work from anywhere in the world, excluding Russia and Belarus.* Working schedule aligned with GMT+3.* Competitive compensation paid in EUR or USDT.* 20 working days of paid vacation.* Birthday gifts.* Compensation for necessary technical equipment and devices.### Work ArrangementThis is a fully remote position. Employees can work from anywhere in the world except Russia and Belarus, with working hours aligned to GMT+3.## Equal OpportunityTangem is committed to providing equal employment opportunities and fostering an inclusive workplace. Employment decisions are made without discrimination based on sex, gender, sexual orientation, gender identity, race, color, religion, national origin, age, disability, veteran status, or any other characteristic protected by applicable law.