Andrii N.

I build production-ready firmware for STM32, ESP32, and Nordic nRF52 devices—from board bring-up and low-power BLE to bootloaders, OTA updates, and manufacturing tools. With 20+ years in commercial embedded systems, I help teams: • Design firmware architecture and communication protocols • Bring up custom hardware and diagnose firmware/hardware issues • Develop FreeRTOS and Zephyr applications • Optimize power consumption, performance, and reliability • Implement BLE, LoRa/LoRaWAN, Wi-Fi, cellular, and GNSS connectivity • Prepare products for production programming and testing Recent work includes STM32WB bootloaders with FreeRTOS/BLE, ultra-low-power LoRaWAN/BLE sensors, cellular IoT gateways, secure NFC systems, and automated manufacturing tools. I can join at any stage—concept, prototype, debugging, or production. Send me your MCU/board, current firmware status, and main technical blocker, and I’ll propose a practical next step.