Own the quality of mobile app (iOS/Android), backend services, and internal back-office tools releases.
Test new features with complex crypto and fintech logic, including high-stakes flows (transactions, swaps, asset custody, KYC).
Drive QA-developer collaboration on automated testing: write detailed test cases, review and accept actual coverage, and incorporate the resulting test suite into daily QA work.
Establish and own QA standards and metrics, including test case templates, checklists, bug-reporting standards, defect rate, escape rate, CFR/LT, and build reporting for stakeholders.
Lead production stability efforts: monitor logs and metrics (Sentry, Firebase, Grafana), drive incident response, run post-mortems, and surface root causes.
Mentor the Middle QA engineer and contribute to raising QA maturity across the team.
Shape QA strategy and influence product quality with the Team Lead, developers, product managers, and designers.

7+ years of QA experience, including at least 3 years of testing mobile products.
Background in fintech or crypto: you understand the stakes, the regulatory context, and the user expectations of money-movement products.
User-level experience with crypto wallets and a working understanding of blockchain mechanics: transactions and fees, seed phrases, derivation paths, common token standards (ERC-20, BEP-20, etc.), swaps, and bridges.
Excellent manual testing skills across mobile and API.
Solid understanding of performance and load testing principles, with the ability to design load scenarios; hands-on experience is a plus.
Hands-on experience reviewing automated tests and validating coverage in a collaborative model: writing detailed test cases, ensuring the developer's implementation actually covers the specified scenarios, and using the resulting test suite in daily QA work.
Experience working with QA metrics (defect rate, escape rate, CFR/LT) and building QA reporting for stakeholders.
API testing & debugging: Postman, Charles (proxy/traffic inspection), Swagger.
Monitoring & observability: Sentry, Grafana, Firebase.
Mobile testing environments: Android Studio, TestFlight (iOS beta distribution); Test management: QCase or TestRail (or equivalent).
Data & version control: SQL, Git.
Nice-to-have: Xcode (iOS build inspection, simulator usage, log capture).

Work fully remote as part of an agile, international team shaping the future of finance.
Competitive salary range determined by individual experience and contribution.
Career progression with opportunities to grow into senior technical, management, or cross‑functional roles.
Impact & ownership: Work on mission‑critical reporting where accuracy, transparency, and compliance are essential.
Collaborative culture: Join a transparent environment that values open dialogue, experimentation, and measurable impact.

Senior/Lead QA – Mobile

Key skills