MiddleSenior Manual QA Engineer with Mandarin Chinese

Akvelon

We are looking for a Middle / Senior Manual QA Engineer - IoT / Mandarin Chinese to validate an IoT ecosystem across physical devices embedded firmware communication protocols backend services and web/mobile applications. The role combines end-to-end quality ownership with onsite work at the client campus and communication with the China-based firmware team.

Tasks

Perform hands-on functional and integration testing of physical IoT devices;
Validate end-to-end workflows from device and firmware through protocols backend APIs and web/mobile UI;
Install configure maintain and troubleshoot devices and test environments at the client campus;
Test MQTT ProtoBuf Modbus RS485 network connectivity firmware upgrades and recovery scenarios;
Investigate defects across hardware firmware network backend protocol and UI layers;
Clarify technical information between Mandarin- and English-speaking engineering teams.

Requirements

Requirements:

Fluent or native Mandarin Chinese and professional working English;
Strong Manual QA experience with complex software and hardware systems;
Hands-on experience testing IoT embedded smart-home or building-automation solutions;
Experience with MQTT and MQTT debugging tools such as MQTTX;
Understanding of Protocol Buffers Modbus RS485 REST APIs and backend integration testing;
Practical TCP/IP Ethernet Wi-Fi DHCP DNS/mDNS and connectivity-troubleshooting knowledge;
Experience testing physical hardware and embedded firmware;
Ability to reproduce complex issues collect logs and produce clear defect and test documentation.

Nice to Have:

Experience with commercial building automation systems;
Experience testing lighting controllers sensors gateways or similar embedded devices;
Experience with OTA or firmware-upgrade testing;
Experience with Linux Wireshark serial diagnostic tools or IoT test automation.

Working Conditions:

Work model: Onsite;
Overlap: PST business hours;
Target start date: October;

Benefits:

Vacation and sick leave;
Official state holidays;
Professional growth through challenging projects and company-supported skills development;
Flexible working schedule: 8 hours per day 40 hours per week;
Personal Career Development Plan;
Employee support program: Discount Care Heals and Legal support;
Paid external training conferences and professional certifications aligned with business goals;
Internal workshops and seminars.

Locations:

Kirkland WA or Bellevue WA United States.

Apply

Vacancy posted 1 day ago

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