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Dray dorothy
@dray_do9
Senior PCB Embedded Systems Engineer
United Kingdom
English, French, Spanish
About me
I am a professional PCB Design and Embedded Systems Engineer with extensive experience in developing electronic products from concept to production. I specialize in multi-layer PCB layout, firmware development, and IoT hardware for medical, industrial, and wearable applications.
Skills
Dray dorothy
Offline •
See my services
Printed Circuit Boards (PCB)
I will design custom motor controller, inverter and power electronics pcb
Printed Circuit Boards (PCB)
I will develop esp32 iot devices, data logger and monitoring systems
Work experience
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Senior PCB & Embedded Systems Engineer
Fiverr • Freelance
Jan 2024 - Present • 2 yrs 5 mos
Designed and developed custom electronic products for startups, researchers, and businesses. Created production-ready PCB layouts and fabrication files. Developed embedded firmware for STM32, ESP32, Arduino, and PIC platforms. Integrated sensors, wireless modules, GPS, RFID, GSM, and IoT technologies. Performed hardware testing, debugging, validation, and product optimization. Supported prototype manufacturing and mass-production preparation.
