Quality Control Specialist

I. Job Description:About GJOYGJOY is a fast-growing loyalty and customer engagement company, partnering with leading banks, airlines, and retail ecosystems in Vietnam. We are building a secure, scalable, and intelligent data platform that fuels real-time analytics, customer insights, and AI-powered personalization.Mission• The mission of the Middle QC Engineer is to ensure product quality, stability, and reliability by proactively identifying risks, validating requirements, and verifying system behavior before release.• This role focuses on accurate testing execution, early defect detection, and close collaboration with cross-functional teams, contributing directly to smooth product delivery and continuous improvement of the QA process.• The Middle QC Engineer acts as a quality gatekeeper, helping the team deliver features that meet business expectations while maintaining technical integrity and user trust. Key Responsibilities• Design and execute test plans, test cases, and test scenarios based on product requirements and acceptance criteria.• Perform manual testing to validate functionality, usability, and basic performance across web and API-based systems.• Execute API testing (manual &automated) to ensure correctness, stability, and backward compatibility.• Participate in building and maintaining automated test scripts, primarily for APIs (UI automation is a plus).• Conduct regression testing before releases and support UAT phases when required.• Log, track, and verify defects using tools such as JIRA, ensuring clear reproduction steps and impact analysis.• Collaborate closely with Developers, BA, and Product Owners to clarify requirements and ensure quality delivery.• Participate in Agile/Scrum ceremonies (planning, daily standup, review, retrospective).• Contribute to improving testing processes, test coverage, and QA documentation.• Support basic performance/load testing execution under guidance (if applicable).