Cambridge, MA, USA | 70000-130000 per year | Full Time
Position Overview
We are seeking a full-stack connected device engineer who is equally comfortable writing bare-metal firmware on ARM Cortex-M microcontrollers and building polished mobile applications on Android and iOS. You will own the complete software stack-from low-level firmware and wireless protocols to intuitive mobile experiences that interact seamlessly with connected hardware.

This role is ideal for someone who thrives at the intersection of embedded systems, mobile development, and cloud-connected IoT platforms.
Key Responsibilities Firmware & Wireless Systems

+ Develop production-grade firmware for ARM Cortex-M MCUs, including RTOS integration, peripheral drivers, low-level bring-up, and power optimization.

+ Design and implement wireless communication stacks: BLE (GATT/GAP), Wi-Fi, and cellular (LTE-M / NB-IoT).

+ Build secure OTA update mechanisms with rol...