Senior QA Mobile Engineer
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, ensuring everything works as expected before reaching customers. Perform API testing, manage and update 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 on iOS and Android
- Knowledge of testing methods and methodologies
- Experience in API and backend testing and understanding of client-server interaction
- Solid technical background and understanding of modern technologies
- Experience working in Agile teams and fast-paced startup environments
- Product mindset with a focus on user happiness and quality
- Experience testing fintech products such as payment, crypto, or banking applications
- Experience with analytics, monitoring, and logs such as Amplitude, Sentry, or Kibana
- Desire to develop automated testing skills
Responsibilities
- Test mobile applications and smart card software
- Perform API testing
- Manage and update test documentation including test cases, testing reports, and test plans
- Investigate bugs and incidents reported by customers
- Participate in the development of testing processes
- Communicate with development and support teams
Benefits
- Stability and development opportunities
- Participation in the future unicorn's growth
- Remote work from anywhere in the world excluding Russia and Belarus, with a schedule aligned with GMT+3
- Competitive salary in EUR or USDT
- Unlimited paid time off
- Birthday presents
- Compensation for necessary technical devices
