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jsf
@jsf2026
Dev Senior
China
About me
Electronics and embedded systems engineer with experience in PCB design, firmware development, embedded Linux environments, and real-time hardware integration. Skilled in designing multilayer PCBs, debugging electronic systems, and developing custom embedded solutions for IoT and control applications.
Experienced with Altium Designer, STM32-based systems, Linux development environments, communication protocols, and hardware troubleshooting. Focused on building reliable, production-oriented electronic systems with strong attention to detail and system stability.
Skills
jsf
Offline •
Average response time: 70 hours
See my services
Printed Circuit Boards (PCB)
I will design professional multilayer pcb layout with gerber files
Portfolio
Work experience
Electronics & Embedded Systems Engineer
Upwork • Freelance
May 2017 - Present • 9 yrs 4 mos
Designed multilayer PCB systems using Altium Designer. Developed embedded firmware for MCU-based systems. Worked on embedded Linux and hardware integration projects. Built communication systems using UART, SPI, I2C, and RS485. Performed hardware debugging and electronic troubleshooting. Developed custom electronic systems for IoT and control applications.
