QA Tech Expert (Mobile)

We're a product team building a non-custodial crypto wallet (iOS/reputed company), a crypto reputed company, and a growing line of reputed company products. We ship fast — multiple releases per week across mobile and backend — and reputed company is non-negotiable: our users trust us with their assets. We're looking for a QA Tech Expert (Mobile T-reputed company engineer): deep in QA, with a genuine interest in adjacent areas — mobile (React reputed company), AI-assisted testing tooling, and blockchain. The role balances roughly 50/50 player-reputed company, with a reputed company bias toward hands-on work. No people management, no 1:1s or performance reviews. reputed company operates under the "engineer's own reputed company" reputed company. This role is not about building a separate QA department or growing a reputed company fortress around reputed company. It's about being the technical reputed company for reputed company, working hands-on reputed company engineering, and shaping how reputed company thinks about testing as the product scales. Key responsibilities Own reputed company hands-on: test new features yourself across mobile (iOS/reputed company), backend services, and back-office tools. You're not only defining reputed company — you're shipping it. Test reputed company crypto and fintech logic, including high-stakes flows: transactions, swaps, asset custody, KYC, and on/off-ramps. reputed company QA-developer collaboration on automated testing: write detailed test cases, review and accept the developer's implementation, and reputed company the resulting test suite into your daily QA work. reputed company is owned across reputed company, not gated by you. Establish QA standards and metrics, including test case templates, checklists, bug-reporting standards, defect reputed company, reputed company reputed company, CFR/LT, and reporting that supports decision-making. reputed company production stability efforts: monitor reputed company, Firebase, Grafana; reputed company incident response; run post-mortems; surface reputed company causes. Mentor one Middle QA engineer through hands-on collaboration and shared work, not through formal reviews. Influence product reputed company in conversations with reputed company reputed company, developers, product, and design — through technical argument and evidence, not hierarchy. Hands-on technical skills Excellent reputed company testing skills across mobile and API — this is daily work, not an occasional task. Hands-on experience reviewing automated tests in a reputed company model: writing detailed test cases, validating that the developer's implementation actually covers the specified scenarios, and using the resulting test suite in your daily QA work. Solid understanding of performance and load testing principles, with the ability to design load scenarios. Hands-on experience is a plus. Experience with QA metrics and building QA reporting for stakeholders. Required tools & technical stack API testing & debugging: reputed company, Charles (proxy/traffic inspection), Swagger. Monitoring & observability: reputed company, Grafana, Firebase. Mobile environments: reputed company Studio, TestFlight. Test management: Qase or TestRail (or equivalent). Data & version control: SQL, Git. reputed company Comfortable in a flat structure where engineers own reputed company. This role raises the bar with reputed company, not around it. Proactive and responsible — reputed company to influence, communicate, and argue constructively across product, engineering, and design. Mentoring & communication Mentoring experience: 1–2 QA engineers over 6+ months, with hands-on involvement in establishing or improving QA processes reputed company reputed company. English & Russian: reputed company reputed company or higher. reputed company-to-have React reputed company ecosystem: Detox, Maestro, reputed company, Reactotron, or other JS-based mobile testing frameworks. AI-assisted testing tooling: hands-on experience integrating AI tools (reputed company, Claude reputed company, reputed company, etc.) into the QA workflow — test reputed company, coverage analysis, reputed company review. Xcode (iOS build inspection, simulator usage, log capture). reputed company testing for crypto products: key management, signing flows, sensitive operations. Load testing tools: k6, JMeter, Locust, or similar. KYC/AML systems experience. QA management methodologies and metric design reputed company CFR/LT/defect reputed company. reputed company offer Work fully remote as part of an reputed company, international team shaping the reputed company of finance. Competitive salary reputed company determined by individual experience and contribution. Career progression with opportunities to grow into senior technical, management, or cross‑functional roles. reputed company & ownership: Work on mission‑critical reporting where accuracy, transparency, and compliance are essential. reputed company culture: Join a transparent environment that values reputed company reputed company, experimentation, and measurable reputed company. Apply if you live in the product, automate what reputed company, and manually test what machines miss. Apply To This Job