Firmware development

I develop robust, maintainable firmware for microcontrollers and embedded systems with a focus on stability, deterministic behavior, and clean interfaces.

Screenshot of a Zephyr firmware example in an editor (dark theme)

Why RTOS?

A real-time operating system (RTOS) brings structure to complex embedded projects: clear task separation, defined priorities, clean timing, and better testability. This is especially helpful when multiple communication interfaces, sensors/actuators, and real-time requirements need to be met at once.

Technologies

C / C++ for microcontrollers
STM32, ESP32, and comparable platforms
RTOS: FreeRTOS, Zephyr RTOS, RIOT
Linux/embedded Linux (build toolchains, scripting, debugging)
Driver development (SPI, I²C, UART, USB, CAN, Ethernet)
Low-power and energy management

FreeRTOS

Zephyr

RIOT

Focus areas

Firmware architecture and module design
Communication protocols (binary, JSON, CBOR, proprietary)
Bootloaders, firmware updates (USB, OTA)
Debugging, logging and testability

I enjoy analyzing and extending existing firmware just as much as building new projects from scratch.