Sr.Software Testing & QA Engineer (Embedded Systems & IoT)

Carrier

📍 Thailand, Thailand, Thailand

Full-time other-general Posted February 19, 2026

Job Description

**Key Responsibilities**



**Software & Firmware Testing**



- Develop and execute test plans, test cases, and test scripts for embedded firmware and system modules.



- Perform functional, regression, integration, system, and performance testing of HVAC control and IoT connectivity features.



- Validate communication interfaces and protocols (UART, SPI, I²C, CAN, Modbus, MQTT, HTTP/REST, BLE/Wi-Fi).



**Quality Assurance**



- Ensure firmware quality through systematic testing, defect tracking, and root-cause analysis.



- Work closely with development teams to validate implementation and provide actionable feedback.



- Verify compliance with global quality, safety, and regulatory standards.



**Debugging & Issue Investigation**



- Use tools such as logic analyzers, protocol analyzers, debuggers, and measurement eq...