Senior Firmware Engineer

Department: Research & Procurement

Employment Type: Permanent - Full Time

Location: Dongkeng，Dongguan, Guangdong, China

What you will be expected to do

• Design and develop low-level drivers for embedded software (e.g., UART, ADC, SPI, I2C, DMA, PWM, SPWM, SVPWM, RTC, IAP, LCD).
• Develop embedded applications, including:
  • Inverter control software
  • Lithium battery charge/discharge management
  • MCU low-power management
  • HMI (Human-Machine Interface) management
  • Device status and data management
• Maintain and debug embedded products, diagnose and resolve technical issues, and optimize product design.
• Prepare and maintain comprehensive software design documentation

You might be a strong candidate if you have/are

• Bachelor’s degree or higher in Computer Science, Electronics, or Communications.
• 6+ years of experience in embedded software development, minimum 3 years of hands-on experience in inverter development, with proven expertise in inverter software design (required). Experience developing inverters with a power rating above 1KW (preferred).
• Strong proficiency in C programming, with solid coding practices and a strong foundation in software engineering.
• Practical experience with STM32 and DSP platforms, and familiarity with mass-production design processes (required).
• Skilled in low-level driver development, schematic reading, and  self-directed driver debugging.
• Proficient in using oscilloscopes, logic analyzers, and multimeters.
• Familiarity with version control and project management tools (e.g., SVN, GitHub, Bugzilla).
• Fluent in English (reading, writing, listening, and speaking).
• Strong problem-solving, learning, and communication skills, with a collaborative team mindset.

What Sun King offers

• Professional growth in a dynamic, rapidly expanding, high-social-impact industry
• An open-minded, collaborative culture made up of enthusiastic colleagues who are driven by the challenge of innovation towards profound impact on people and the planet.
• A truly multicultural experience: you will have the chance to work with and learn from people from different geographies, nationalities, and backgrounds.
• Structured, tailored learning and development programs that help you become a better leader, manager, and professional through the Sun King Center for Leadership.