We are looking for a QC Engineer to ensure the quality and stability. In this role, you will take ownership of testing strategy and execution, working closely with developers and the product team to deliver a smooth, scalable, and stability of Greennode’s cloud services. - Review requirements, specifications, and technical design documents. - Design and execute test plans, test cases, and test strategies for new features and live updates. - Perform in-depth regression/performance testing to ensure stability. - Collaborate closely with cross-functional teams to improve product quality and development efficiency. - Proactively identify risks, edge cases, and potential issues before release - Use AI to improve work efficiency. Qualifications: - 1+ years of experience in software testing. - Bachelor’s degree in Computer Science. - Experience/Knowledge with cloud services, distributed systems, or infrastructure architecture. Understanding of system latency, scalability enhancements, and performance bottlenecks. - Automation testing programming languages: Java, Python, Playwright, Selenium. - Experience in backend API & database testing. - Knowledge of pen testing. - Strong analytical thinking and attention to detail, able to break down complex systems. - Experience in using AI agents, AI tools to support testing assignment. - Experience with server OS, k8s system is a big plus.