R&D Engineer – SCI-Software

Vaillant Group

. Develop, simulate, and validate SCF (System Control Function) models using MATLAB/Simulink .

Posted 11/12/2026full-timeWuxi • ChinaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and validating SCF models using MATLAB/Simulink, alongside proficiency in Linux application-layer software development in C++. Strong capabilities in HMI application development with Qt and IoT connectivity features are essential.

Highest-signal resume keywords

MATLAB/SimulinkC++ ProgrammingHMI Development with QtIoT Device ConnectivityLinux Application Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Control AlgorithmsSystem Control LogicModel-Based DevelopmentMultithreadingInter-Process CommunicationNetwork CommunicationDevice ProvisioningDevice BindingStatus SynchronizationRemote Control

Tools & Technologies

Qt/QMLQt WidgetsWi-Fi DevelopmentBluetooth CommunicationCloud APIs

Industry Keywords

AutomationControl EngineeringElectronic InformationComputer ScienceSoftware EngineeringCommunication EngineeringHVAC

Tech Stack

Tools & technologies

CloudIoTLinuxQtC++

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

Bachelor’s degree or above in Automation, Control Engineering, Electronic Information, Computer Science, Software Engineering, Communication Engineering, HVAC, or related field
Familiarity with MATLAB/Simulink
Experience in control algorithms, system control logic, or model-based development
Familiarity with Linux application development and C++ programming
Understanding of multithreading, inter-process communication, and network communication
Experience with Qt/QML or Qt Widgets
Ability to independently develop HMI features
Familiarity with IoT device connectivity development
Understanding of device provisioning, device binding, status synchronization, remote control, and cloud message interaction
Familiarity with Wi-Fi and Bluetooth development
Knowledge of Wi-Fi management, Bluetooth communication, network status monitoring, and connection fault handling on Linux platforms

Benefits

Comp & perks

Flexible working hours
Annual leave and sick leave policy supporting work/life balance
Attractive remuneration package including competitive salary system and bonus incentive
Holiday and flexible annual benefits
Highest share of housing provident fund
Border health care including yearly health check-up and supplementary commercial insurance
Workshops, seminars, events, and e-learnings
Internal career development and job rotation opportunities
Transport allowance
Meal allowance
Discounts on Vaillant products
Long service award
Holiday gift from the trade union
Employee activities including company outings and family days
Free shuttle buses and parking
Electric vehicle charging points
Variety of lunch and dinner options in the canteen