Hiring: QA & Technical Documentation Specialist Company: United Merchant Services, Inc. Location: Hackensack, NJ Job Posted Time: 2026-09-15 11:33:53 Employment Type: Full-time / On-site Target Skills & Keywords : Agile, Android, Integration Testing, SQL, Scrum About the job Required Skills: •We 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. •Perform functional, regression, integration, and release testing for POS systems •Test Windows/Android applications, payment systems, hardware, APIs, and third-party integrations •Test payment transactions, including EMV, NFC/contactless, refunds, reversals, and settlement •Create and maintain test cases, test scenarios, and regression test suites •Identify, document, and verify software defects and production issues •Create and maintain User Manuals, Technical Manuals, Installation/Configuration Guides, Troubleshooting Guides, FAQs, and Release Notes Qualifications: •Bilingual in Korean and English •Basic knowledge of SQL and API testing •Strong troubleshooting, problem-solving, and communication skills •Excellent attention to detail and accuracy •Demonstrated capacity to understand complex technical concepts and explain them clearly Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!