QA & Technical Documentation Specialist

United Merchant Services, Inc.; Hackensack (NJ); On-site; USD 70,000 - 95,000; Full time

Job summary

Bluu, Inc. in Hackensack, NJ is seeking a QA & Technical Documentation Specialist to ensure the quality and reliability of our POS systems while maintaining accurate 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 documentation.

Qualifications

• Experience in Software QA / Software Testing.
• Experience with POS, Restaurant, Retail, or Payment Systems.
• Experience testing Windows and/or Android applications.
• Experience creating test cases and technical documentation.
• Basic knowledge of SQL and API testing.

Responsibilities

• 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.
• Ensure documentation is updated with new features, UI changes, hardware configurations, and software releases.
• Collaborate with Development, Product, Support, and Implementation teams to improve product quality and documentation.

Skills

Bilingual Korean/English

Software QA / Testing

POS / Payment Systems

Windows / Android testing

Test cases creation

Technical documentation

SQL

API testing

Job description

About Bluu, Inc.

About Bluu, Inc.

Bluu, Inc. is a technology and payments company providing integrated POS, payment processing, hardware, software, online ordering, and business management solutions for the restaurant and retail industries.

We are committed to delivering reliable, innovative technology that helps businesses operate more efficiently and grow. Join our team and be part of a growing company shaping the future of POS and payment technology.

Location: Hackensack, NJ, Full Time, On-site

Position Summary

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.

Key Responsibilities

• 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
• Ensure documentation is updated with new features, UI changes, hardware configurations, and software releases
• Collaborate with Development, Product, Support, and Implementation teams to improve product quality and documentation

Required Qualifications

• Bilingual in Korean and English
• Experience in Software QA / Software Testing
• Experience with POS, Restaurant, Retail, or Payment Systems
• Experience testing Windows and/or Android applications
• Experience creating test cases and technical documentation
• Basic knowledge of SQL and API testing
• Strong troubleshooting, problem-solving, and communication skills
• Excellent attention to detail and accuracy
• Ability to understand complex technical concepts and explain them clearly

Preferred Qualifications

• Experience with payment terminals, EMV, or payment processing
• Experience with hardware/software integration testing
• Experience supporting production issues
• Experience with Agile/Scrum development environments

What 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.