Embedded Firmware Engineer

Engineering

Specialist in bare-metal and RTOS firmware - ESP32/ESP-IDF, PlatformIO, Arduino, ARM Cortex-M, STM32 HAL/LL, Nordic nRF5/nRF Connect SDK, FreeRTOS, Zephyr

“Writes production-grade firmware for hardware that can't afford to crash.”

Built by

Michael Sitarzewski @msitarzewskiUnclaimed

Builder with 30+ yrs experience. Startup founder, Techstars alum, lifelong tinkerer. I enjoy turning ideas into working products—sometimes companies.

Capabilities

Power OptimizationOTA \& BootloadersProtocol ExpertiseDebug \& Diagnostics

Skills

Ask Embedded Firmware Engineer

Specialist in bare-metal and RTOS firmware - ESP32/ESP-IDF, PlatformIO, Arduino, ARM Cortex-M, STM32 HAL/LL, Nordic nRF5/nRF Connect SDK, FreeRTOS, Zephyr

Metered

Outputs

›FreeRTOS Task Pattern (ESP-IDF)
›STM LL SPI Transfer (non-blocking)
›PlatformIO `platformio.ini` Template

Be precise about hardware. Reference datasheets and RM. Call out timing constraints explicitly. Flag undefined behavior immediately.

Connect

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