Senior QA Engineer (Mobile)
Tangem is a hardware wallet company that lets users store, buy, swap, stake, and spend crypto using NFC-enabled card and ring-shaped devices.
Maintainer signals as of 9/2/2026
Funding history
About Tangem
Tangem builds hardware wallets for users who want to self-custody digital assets without relying on exchanges or custodians. Users can store, send, receive, swap, stake, and spend crypto across multiple blockchain networks using NFC-enabled card or ring-shaped devices paired with a companion mobile app. The wallets use a secure element chip, require no batteries or cables, and offer a seedless backup system using multiple physical cards.
Skills
About the Role
Test mobile applications and smart card software, perform API and backend testing, manage test documentation, investigate customer-reported bugs and incidents, improve testing processes, and collaborate with development and support teams.
Requirements
- At least 4 years of experience in mobile application testing for iOS and Android
- Knowledge of testing methods and methodologies
- Experience in API and backend testing and client-server interaction
- Solid technical background and understanding of modern technologies
- Experience in Agile teams and fast-paced startup environments
- Product mindset focused on user happiness and quality
- Experience testing fintech products such as payment, crypto, or bank apps
- Experience with analytics, monitoring, and logs such as Amplitude, Sentry, and Kibana
- Desire to develop automated testing
- Experience with AI tools in day-to-day tasks
- Experience writing automated mobile tests using Kotlin, Swift, Kaspresso, or XCUITest
Responsibilities
- Test mobile applications and smart card software
- Test APIs and backend systems
- Manage and update test documentation including test cases, reports, and test plans
- Investigate customer-reported bugs and incidents
- Participate in developing and improving testing processes
- Communicate with development and support teams
Benefits
- Remote work from anywhere in the world excluding Russia and Belarus, with a schedule aligned with GMT+3
- 20 working days of paid vacation
- Birthday presents
- Compensation for necessary technical devices
- Paid sick leave
- Competitive salary in EURO/USDT
