QA & Technical Documentation Specialist

QA & Technical Documentation SpecialistWe are seeking a QA & Technical Documentation Specialist to ensure the quality and reliability of our Restaurant and Retail POS systems while maintaining accurate and up-to-date User and Technical Documentation.This role combines Software QA, Payment QA, Hardware/Device Testing, API & Integration Testing, and Technical Documentation. The ideal candidate can identify product issues, validate new features, and translate complex technical functionality into clear, user-friendly documentation.Key Responsibilities:Perform functional, regression, integration, and release testing for POS systemsTest Windows/Android applications, payment systems, hardware, APIs, and third-party integrationsTest payment transactions, including EMV, NFC/contactless, refunds, reversals, and settlementCreate and maintain test cases, test scenarios, and regression test suitesIdentify, document, and verify software defects and production issuesCreate and maintain User Manuals, Technical Manuals, Installation/Configuration Guides, Troubleshooting Guides, FAQs, and Release NotesEnsure documentation is updated with new features, UI changes, hardware configurations, and software releasesCollaborate with Development, Product, Support, and Implementation teams to improve product quality and documentationRequired Qualifications:Bilingual in Korean and EnglishExperience in Software QA / Software TestingExperience with POS, Restaurant, Retail, or Payment SystemsExperience testing Windows and/or Android applicationsExperience creating test cases and technical documentationBasic knowledge of SQL and API testingStrong troubleshooting, problem-solving, and communication skillsExcellent attention to detail and accuracyAbility to understand complex technical concepts and explain them clearlyPreferred Qualifications:Experience with payment terminals, EMV, or payment processingExperience with hardware/software integration testingExperience supporting production issuesExperience with Agile/Scrum development environmentsWhat We're Looking For:A detail-oriented professional who can test products thoroughly, identify issues, maintain accurate documentation, and ensure that customers and internal teams always have reliable technical information.