Manual QA Engineer — IoT / Mandarin Chinese 8440
Core
Manual QA Engineer for an IoT ecosystem combining embedded devices, firmware, backend services, and smart-home/building automation systems.
Role type
Manual QA Engineer (IoT/Hardware)
Builds
IoT devices, firmware, APIs, and web/mobile applications for smart-home and building automation
Domain
Internet of Things (IoT), Embedded Systems, Smart Home, Building Automation
Required skills
Manual testing of complex software/hardware, IoT/embedded/smart-home testing, MQTT/MQTIX, Modbus/RS485, physical hardware testing, REST API testing, network connectivity troubleshooting (TCP/IP, Ethernet, Wi-Fi, DHCP, DNS)
Preferred skills
OTA/firmware upgrade testing, Linux, Wireshark, serial diagnostic tools, ProtoBuf, IoT/API test automation, working with distributed international teams
Technologies
MQTT, Modbus, RS485, REST APIs, Linux, Wireshark, TCP/IP, Ethernet, Wi-Fi, DHCP, DNS, ProtoBuf
Responsibilities
Perform manual testing of IoT devices, firmware, APIs, and web/mobile applications; Test device configuration, firmware updates, and system integrations; Troubleshoot issues using logs, diagnostic tools, and physical test devices; Test and debug MQTT, Modbus/RS485, REST APIs, and network connectivity; Reproduce and document defects with clear steps and evidence; Collaborate with developers and firmware engineers on cross-component issues; Communicate technical requirements and issues between Mandarin- and English-speaking teams
