Mandarin-speaking Manual QA / IoT QA Engineer
Primary stack
Nice to have's
Job description
About the Position
We stand with Ukraine!
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Akvelon is an American company with offices in Seattle, Mexico, Ukraine, Poland, and Serbia. Our company is an official vendor of Microsoft and Google. Our clients also include Amazon, Evernote, Intel, HP, Reddit, Pinterest, AT&T, T-Mobile, Starbucks, and LinkedIn. To work with Akvelon means to be connected with the best and brightest engineering teams from around the globe and working with an actual technology stack building Enterprise, CRM, LOB, Cloud, AI and Machine Learning, Cross-Platform, Mobile, and other types of applications customized to client’s needs and processes.
We’re looking for a Manual QA Engineer with fluent or native Mandarin Chinese to join an international IoT project.
You’ll work with physical IoT devices and the software ecosystem around them, collaborating closely with firmware engineers in China and Akvelon’s Development and QA teams.
An important part of the role is helping bridge technical communication between Mandarin- and English-speaking engineering teams, ensuring that requirements, defects, and expected system behavior are clearly understood.
Responsibilities
- Perform hands-on manual testing of IoT and embedded devices
- Test end-to-end workflows across devices, firmware, communication protocols, backend/API, and Web/Mobile UI
- Test and troubleshoot MQTT, Modbus and RS485 communication
- Validate firmware releases, device configuration, connectivity, upgrades, recovery scenarios, and integrations
- Investigate defects, analyze logs and identify whether issues originate in hardware, firmware, network, protocol, backend, or UI
- Perform regression, integration, negative and recovery testing
- Create clear test cases, defect reports and release-validation documentation
- Work closely with the China-based firmware team and help clarify technical requirements and issues between Mandarin- and English-speaking teams
Requirements
- Fluent or native Mandarin Chinese
- Professional working proficiency in English
- Strong Manual QA experience
- Hands-on experience testing IoT, embedded devices, smart-home, building automation, or similar hardware/software systems
- Practical experience with MQTT and MQTT debugging tools
- Knowledge of Modbus and RS485
- Understanding of Protocol Buffers (ProtoBuf)
- Experience with REST APIs and backend integration testing
- Basic networking knowledge: TCP/IP, Ethernet, Wi-Fi, DHCP, DNS/mDNS, ports
- Ability to troubleshoot complex issues across multiple hardware and software components
Nice to Have
- Experience with sensors, gateways, lighting controllers, or other connected devices
- Firmware / OTA upgrade testing
- Linux and command-line diagnostic tools
- Wireshark or similar network/protocol analysis tools
- Serial communication diagnostic tools
- Basic IoT/API/MQTT test automation experience
- Previous experience working with distributed international engineering teams
Conditions
Remote - Moldova
📄 B2B contract
Full-time with flexible working hours and required overlap for team meetings
Start: ASAP
Initial project duration: 5+ months, with likely extension
This role is not open to candidates based in the US.
Sounds like a match? Apply - we’d be happy to hear from you 🙂
Yuliana Budiak
IT Recruiter
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© Akvelon Ukraine. This job description was sourced from the employer's public career page. TheJob is not the employer — we index the posting and route candidates to the source. All content rights and hiring decisions belong to the employer.
Akvelon is an outsourcing company that has been developing projects for clients around the world since 2000, from small start-ups to Fortune 500 companies. In 15 offices around the world, we create software for large enterprise products and ML applications. ⠀Development office in Ukraine (Kharkiv) was opened in November 2008 and presently employs more than 300 people. Currently Akvelon Ukraine has offices in Kharkiv, Lviv, Ivano-Frankivsk and Gdansk. Only during 2021, our staff grows by 49%! ⠀Companies, such as Microsoft, Reddit, LinkedIn, GitHub, Amazon, Pinterest, Airbnb, Starbucks, T-Mobile, Intel, Nokia, Tideworks, Dropbox and many more, have greatly benefited from working with Akvelon’s talented employees. ⠀We 𝗼𝗳𝗳𝗲𝗿 𝗮 𝗰𝗵𝗮𝗻𝗰𝗲 𝘁𝗼 𝗯𝗲 𝗿𝗲𝗹𝗼𝗰𝗮𝘁𝗲𝗱 𝘁𝗼 𝘁𝗵𝗲 USA 𝘁𝗼 𝗼𝘂𝗿 𝗰𝘂𝘀𝘁𝗼𝗺𝗲𝗿𝘀’ 𝗛𝗤. There is also the possibility of relocation to Poland. ⠀We offer:— Paid vacation— Paid sick days— Official state holidays— No fixed working day start— Remote work— Paid medical consulting and tests— Compensation for fitness & workouts— Personal career development plan— Paid professional certification and self-development courses— Knowledge-sharing events & meetups— Internal English classes and speaking club— Corporate events and team buildings ⠀Akvelon is about socially significant projects, career growth, and development in various stacks, a culture of environmentally friendly communication and empathy, innovative technologies, and a flexible approach to work. We are not looking for candidates for projects, but we take people to a company where there is always an opportunity to grow and develop effectively in tandem with the team. ⠀Join us —[email protected]