Binance - Senior Business QA Engineer

• Design and maintain comprehensive test cases and test plans for backend systems • Develop and maintain API / backend automation tests using Java, ensuring strong coverage and reliability • Conduct investigative testing by combining automation and manual analysis to resolve complex backend issues • Perform root cause analysis on test failures and production issues, and drive fixes to closure • Identify gaps in existing test coverage and continuously improve automation effectiveness • Participate in testing for new features by defining expected behaviors, system impact, and risks • Strong Java coding skills, able to write code from scratch (live coding required) • Solid experience in API / backend automation testing • Good understanding of backend testing methodologies and automation framework design • Strong SQL skills for data validation and issue investigation • Proven ability to conduct root cause analysis and solve complex quality issues • Hands-on experience with unit testing (e.g. JUnit, TestNG) • Familiarity with micro services and distributed systems • Experience building testing tools, platforms, or quality infrastructure