What we're looking for

Core QA expertise

• Experience testing complex business logic in the high-load payments products, crypto wallets/cards, or similarly regulated domains during the last 3+ years as a Mobile QA Engineer (Lead/Senior).
• Strong hands-on experience in manual testing of mobile applications and backend systems, with 5+ years of experience delivering quality in production environments.
• Hands-on experience establishing and nurturing a quality-first culture across production products, driving continuous improvement, and scaling QA practices in line with product growth.
• Deep understanding of test design techniques, exploratory testing, regression strategies, and risk-based testing.
• Strong API testing and debugging skills.
• Experience working closely with engineering teams on test automation initiatives.
• Ability to understand system architecture, backend integrations, and data flows.
• Good understanding of performance, reliability, and scalability testing principles.

Tools & Technologies

• API testing: Postman, Swagger.
• Traffic inspection and debugging: Charles or similar tools.
• Monitoring and observability: Sentry, Grafana, Firebase.
• Mobile testing environments: Android Studio, TestFlight.
• Test management platforms: Qase, TestRail, or similar.
• SQL and Git.

What makes you stand out

• Experience building or scaling quality processes in high-growth product environments.
• Familiarity with React Native applications and mobile testing frameworks.
• Experience with AI-assisted engineering and testing workflows.
• Understanding of security-sensitive user journeys, authentication, signing flows, and asset protection mechanisms.
• Experience with load and performance testing tools such as k6, JMeter, or Locust.
• Experience working with KYC/AML systems.

What we offer

• Fully remote work within an international product team.
• An engineering culture that encourages the adoption of modern tools and practices, giving engineers real influence over technologies, workflows, and technical decisions.
• Competitive compensation based on experience and impact.
• The opportunity to work on products used for managing real financial assets.
• Significant ownership and influence over product quality and engineering practices.
• Clear growth opportunities across technical, leadership, and cross-functional career tracks.