> Markdown version of [/jobs/ext/4333736-firmware-engineer](https://www.wearedevelopers.com/jobs/ext/4333736-firmware-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Firmware Engineer - **Company:** Sonicu, LLC - **Location:** United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Bluetooth Low Energy (Bluetooth), Communications Protocols, Software Debugging, Near Field Communication, LoRaWaN, Toolchain, Wi-Fi Technology - **Published:** October 6, 2026 - **Apply:** https://www.thejobnetwork.com/job/9ddf3824-57e6-429a-8980-62e288931edc/firmware-engineer ## About the Role * 4+ years professional embedded firmware experience \n * Strong C/C++; solid Git workflow \n * Hands-on experience with: HAL/LL, toolchains, debuggers like J-Link/OpenOCD, SWD/GDB, * Experience with at least two networking stacks/ communication protocols - from: LoRaWAN, Wi-Fi, BLE, NFC, Cellular