R&D Engineer (Software)
- Vaillant Group
- Wuxi, China
- CNY 200,000 – CNY 350,000
Company: Vaillant (Wuxi) Heating Equipment Co., Ltd Location: Wuxi-CHN Country: China (CN) Brand: Vaillant
Contract type: Permanent Working time: Full-time
What we achieve together
- Develop, simulate, and validate SCF (System Control Function) models using MATLAB/Simulink.
- Develop Linux application-layer software in C++, including system control, communication, data processing, and related business logic.
- Develop HMI applications using Qt, including device status display, parameter configuration, alarm notification, and user interaction workflows.
- Develop IoT connectivity features for the controller, including Wi-Fi provisioning, Bluetooth connection, device binding, network status management, and fault recovery.
- Develop data interaction between the controller and cloud platform, including device status reporting, remote control, parameter synchronization, alarm notification, and OTA update support.
- Participate in the design, development, integration testing, and troubleshooting of IoT communication protocols, cloud APIs, and device onboarding workflows.
What makes us successful together
- Bachelor’s degree or above in Automation, Control Engineering, El ectronic Information, Computer Science, Software Engineering, Communication Engineering, HVAC, or related field.
- Familiar with MATLAB/Simulink, with experience in control algorithms, system control logic, or model-based development.
- Familiar with Linux application development and C++ programming, with understanding of multithreading, inter-process communication, and network communication.
- Experience with Qt/QML or Qt Widgets, capable of independently developing HMI features.
- Familiar with IoT device connectivity development, with understanding of device provisioning, device binding, status synchronization, remote control, and cloud message interaction.
- Familiar with Wi-Fi and Bluetooth development, with knowledge of Wi-Fi management, Bluetooth communication, network status monitoring, and connection fault handling on Linux platforms.
What you can count on
- We offer flexible working hours and anannual leave and sick leave policy that supports yourwork/life balance.
- We offer our employees in China an attractive remuneration package, including a competitive salary system and bonus incentive, holiday and flexible annual benefits, and the highest share of housing provident fund.
- We provide border health care for employees including yearly health check-up and supplementary commercial insurance.
- We provide various learning opportunities, including workshops, seminars, events, and e-learnings. Part of our culture is to encourage internal career development and job rotation.
- Our company provides various employee benefits including transport allowance, meal allowance, discounts on Vaillant products, long service award and holiday gift from the trade union.
- We have a modern, comfortable and safe office environment, the ventilation is a new heat exchange fan independently developed by Vaillant, which can provide a steady stream of fresh air all day long, with real-time monitoring of air quality changes in the house, safe and healthy, and bring the natural and comfortable German forest into our company.
- We frequently hold employee activities, including company outings and family days.
- We provide free shuttle buses and parking, and employees with electric vehicles can use the company's charging points to recharge.
- Our canteen offers a variety of lunch and dinner options for our employees.
What makes us special
We take care of a better climate. In every home and our environment. As a successful family business, we have been living up to this claim for over 150 years. We are one of the world's leading providers of heat pumps, digital services and efficient gas heating appliances and offer energy-saving solutions.
You will find sustainability everywhere at the Vaillant Group. In the office, at the production sites and on the road. Around 16,000 employees from over 70 countries are committed to this every day. As an international team, we take responsibility - for our future and that of our planet. We promote your personal development so that you can act with passion and together we can ensure a better climate.
Become part of the Vaillant Group and help us shape the future of heating!
We promote equity and do not tolerate any form of discrimination. We value the uniqueness of each individual and encourage all people to apply.
Your Contact:
Xiaoyan Liu
+8651080187024
Skills
- C++
- Linux
- MATLAB/Simulink
- Qt
- IoT Protocols
- Cloud APIs
- Embedded Systems








