固件研发工程师

Responsibilities

• Responsible for firmware development and iteration of department products to ensure smooth delivery
• Assist hardware engineers in hardware-software co-design and testing to ensure firmware meets industrial-grade reliability standards
• Responsible for writing documentation throughout the firmware development lifecycle to ensure clear technical communication
• Quickly respond to on-site firmware issues, providing remote technical support or on-site troubleshooting solutions
• Participate in cross-departmental technical review meetings, providing professional opinions related to firmware development

Must Have

• Bachelor's degree or above in Automation, Electronic Information Engineering, Computer Science and Technology, Electrical Engineering and Automation, or related majors
• 3-5+ years of embedded firmware development experience
• Proficient in C language, with standardized coding habits and performance optimization skills, able to independently develop core modules such as low-level drivers and control logic
• Experience in embedded real-time operating system development, understanding core mechanisms such as task scheduling and memory management
• In-depth understanding of compilation principles, familiar with GCC cross-compilation toolchain, able to configure compilation parameters and optimize linker scripts for target architectures (e.g., ARM)
• Proficient in assembly language, able to write low-level initialization code and interrupt handlers for mainstream architectures such as ARM/RISC-V
• Familiar with ARM (e.g., Cortex-M/R series) or MCU mainstream architecture principles, understanding chip peripherals (UART, I2C, SPI, ADC, etc.) working mechanisms, with experience in MCU low-level driver development
• Background in communications, familiar with development and debugging of industrial communication protocols (Profinet, Profibus, etc.)
• Proficient in using development environments such as Eclipse and Visual Studio Code, mastering version control tools such as Git/SVN
• Strong code comprehension ability, able to quickly understand the logical architecture, module dependencies, and core algorithms of unfamiliar code, and efficiently integrate into existing development systems
• Awareness of firmware performance optimization, able to improve system response speed and resource utilization from dimensions such as code logic, compilation parameters, and hardware adaptation
• Good documentation skills, able to produce clear design documents and test reports; good English listening, speaking, reading, and writing skills, able to work with international technical materials or collaborate
• Strong self-motivation, teamwork awareness, able to withstand R&D pressure, and continuous learning enthusiasm for industrial control technology

Preferred

• Experience in firmware development lifecycle for DCS controllers or industrial control products is preferred
• Experience with 3+ years of in-depth development on a single product is preferred
• Experience in development or adaptation of Siemens SIMATIC series (e.g., FC57) products is preferred
• C++ experience is preferred
• Assembly-level debugging and performance tuning skills are preferred
• Familiarity with toolchain build frameworks such as crosstool-NG is preferred