What we achieve together

• Application layer software development and delivery for heat pump system (HVAC/thermal management) main controller (ECU/main control board).
• Model-Based Development (MBD): Building control strategy models, code generation and optimization using MATLAB/Simulink/Stateflow.
• AUTOSAR Classic Platform development: Designing and implementing application layer SWCs, defining RTE interfaces and integration.
• Adaptation, resource evaluation, and performance optimization (RAM/ROM/CPU, startup time, etc.) for the RH850 hardware platform.
• Implementation of heat pump control strategies: Compressor/inverter, electronic expansion valve, three-way valve, water pump, PTC, defrosting/de-icing, and energy optimization logic.
• Communication and diagnostics: CAN/LIN signal interfaces, UDS diagnostics, DTC/DEM, calibration interface (XCP/CCP).

What makes us successful together

• Bachelor's degree or above in Automation, Electronics, Computer Science, or related fields.
• More than 3 years of practical development experience in Simulink MBD, AUTOSAR Classic, and C/C++.
• Proficient in MATLAB/Simulink/Stateflow and Embedded Coder, mastery of modeling standards, code generation, and calibratable design.
• Familiar with AUTOSAR Classic architecture and toolchain (Vector DaVinci, EB tresos, or equivalent); experienced in SWC design, RTE interface definition, and BSW configuration.
• Hands-on experience with Renesas RH850, familiar with compilation/link optimization and debugging tools (GHS/IAR/Renesas, TRACE32, etc.).
• Skilled in CAN/LIN communication, UDS diagnostics, DTC/DEM, and XCP/CCP calibration, capable of maintaining and performing consistency checks on DBC/ARXML/A2L files.

What you can count on

• We offer flexible working hours and an annual leave and sick leave policy that supports your work/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.