Senior QA / QC Engineer — Warsaw
Core
Senior QA/QC Engineer setting the quality bar for a fast-moving mobile trading app (iOS/Android) and its Java Spring Boot API on AWS.
Role type
Senior IC QA Engineer (Mobile & API)
Builds
Mobile trading app (React Native/Expo) and backend API (Java Spring Boot) on AWS
Domain
Fintech / FX & CFD brokerage
Required skills
Mobile UI automation (Maestro, Appium, Detox), API testing (REST Assured), CI/CD pipeline execution, risk-based test strategy, performance/load testing (k6, JMeter), SQL database testing, Jira, English (precise written)
Preferred skills
Fintech/trading experience, regulated environment release controls, ISTQB certification, cloud/device-farm experience
Technologies
React Native, Expo, Java, Spring Boot, AWS, iOS, Android, Maestro, Appium, Detox, REST Assured, k6, JMeter, Jira
Responsibilities
Build and maintain mobile UI and API test automation suites; run automated regression in CI/CD; perform functional, exploratory, and release candidate testing; write risk-based test cases and reproducible defects; track quality metrics (escaped defects, reopen rates); coach other QA engineers; use AI tools for triage and test design.
Seniority
Senior, hands-on IC