Test complex fintech and crypto workflows, including transactions, card operations, swaps, KYC flows, asset transfers, and fiat on/off-ramps.
Participate in feature design and delivery, identifying risks and quality considerations early in the development lifecycle.
Investigate production issues, reproduce defects, and ensure root causes are addressed.
Collaborate with developers on automated testing strategy and coverage.
Design comprehensive test scenarios and acceptance criteria.
Review automated test implementations to ensure meaningful coverage of business-critical functionality.
Contribute to a quality-first engineering culture where testing is embedded into the development process.
Support incident investigations, post-mortems, and continuous reliability improvements.
Monitor product health using observability and analytics tools.
Influence product and engineering decisions through data, technical analysis, and risk assessment.
Help teams balance delivery speed with product reliability and customer trust.

Core QA expertise.
Strong hands-on experience in manual testing of mobile applications and backend systems, with 5+ years of experience delivering quality in production environments.
Deep understanding of test design techniques, exploratory testing, regression strategies, and risk-based testing.
Experience testing complex business logic in fintech, payments, crypto, trading, or similarly regulated domains.
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.

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.

QA Engineer – Mobile

Key skills