محمدسجاد همایونی

Embedded Firmware Engineer with 4+ years of experience developing commercial embedded products, IoT devices, smart home systems, and industrial electronics. Experienced in complete product development lifecycle including hardware architecture, PCB design, firmware development, debugging, validation, production support, and deployment. Strong expertise in STM32, ESP32, CH32 and Holtek microcontrollers, real-time embedded systems, wireless connectivity, low-power design, and IoT communication protocols.

Successfully contributed to multiple commercial products currently available in the market, including Smart Home devices, industrial vacuum cleaners, smart fans, intelligent heating systems, motor control products, and sensor-based embedded systems.

R&D Engineer - Navid Smart Technologies

(2024-03)

• Designed and developed commercial Smart Home and IoT products from concept to production.
• Developed embedded firmware for STM32, ESP32, Holtek, and CH32 microcontrollers.
• Designed embedded hardware and multi-layer PCBs using Altium Designer.
• Developed Wi-Fi and Zigbee enabled devices based on the Tuya IoT ecosystem.
• Implemented MQTT communication and OTA firmware update mechanisms.
• Designed battery-powered and low-power embedded systems.
• Developed motor-control solutions including BLDC-based products.
• Performed hardware bring-up, debugging, validation, and production testing.
• Collaborated closely with manufacturing teams during mass-production stages.

Embedded Firmware Developer - Yekta Sanat Naji

(2023-06 - 2024-03)

• Developed firmware for industrial and consumer embedded products.
• Implemented device-level communication and control systems.
• Performed hardware validation and firmware debugging.
• Optimized firmware reliability and performance.
• Supported production and testing activities.

M.Sc. - Digital Electronics Engineering - Islamic Azad University, Najafabad (2025)

B.Sc. - ICT Engineering - University of Yazd (2019 - 2023)