BJ Joe

@burgunjunior

Expert Embedded Firmware Engineer, Optimization, Zephyr RTOS, Secure Boot, IoT

United Kingdom

English

About me

Embedded Systems & Firmware Engineer specializing in production-grade firmware development for IoT, industrial, and connected devices. I deliver firmware optimization (speed, RAM/flash reduction, power tuning), refactoring messy prototypes into modular, maintainable codebases, custom driver development (SPI/I2C/UART, sensors, peripherals), and reusable embedded libraries with hardware abstraction layers. Expert in RTOS firmware (FreeRTOS & Zephyr), Arduino-to-ESP-IDF/STM32/Zephyr migrations, bootloader design with safe/dual-bank OTA updates, secure signed firmware, and fail-safe recovery... Read more

Skills