Key Responsibilities 1. Develop and execute test plans, test cases and regression test suites 2. Perform functional, integration, smoke, sanity, regression and exploratory testing. 3. Validate Android applications, REST APls, MQTT messaging and IoT-related workflows. 4. Use Kubernetes, Linux command-line tools and application logs to support defect investigation. 5. Identify, document and track defects with clear steps, screenshots and environmental context using Jira. 6. Work closely with Android, Backend, IoT, Product and DevOps teams to reproduce and verify issues. 7. Support automated testing activities for mobile, APl and integration testing where applicable. 8. Participate in Agile ceremonies and support release validation activities. Technical Environment Applications: Android, Android Studio, Simulators, Physical Devices Backend & APls: REST APls, OpenAPl, Postman, Swagger IoT: MQTT, Raspberry Pi Infrastructure: Kubernetes, Docker, Linux Automation: Appium, Selenium, APl Automation Observability: Grafana, OpenSearch, Application Logs Candidate Profile 1. 3+ years of software quality assurance experience 2. Strong manual testing skills across mobile applications, APls and backend services. 3. Experience writing clear, concise and comprehensive test cases and test plans. 4. Experience testing REST APls using tools such as Postman or Swagger. 5. Familiarity with MQTT messaging, IoT, Kubernetes, Docker and Linux environments. 6. Experience with Jira, Git and Agile/Scrum development practices. 7. Automation exposure using Appium, Selenium or similar tools is desirable. 8. Strong written and verbal English communication skills. 9. Willingness to travel to Macau on a weekly basis as required. Benefits Offered: 5 days working, 8 hours (Normal Shift 9:00-18:00) Overtime Payment Year-end Bonus Macau Banking Holidays Group Medical Insurance Application: We offer attractive remuneration package to the right candidates. Remuneration will be commensurate with qualifications and experience. Interested parties please email your full CV including current and expected salary to recruit@vastcomtech.com www.vastcomtech.com