Firmware & Hardware Developer
Pubblicato il 02-09-2026 - 3Bee in Milano
We’re looking for a Firmware & Hardware Developer to manage the IoT devices we deploy in the field: acoustic sensors, environmental monitoring stations, and devices for analyzing beehives and habitats. This is a dual-purpose role, with equal weight between embedded firmware and electronic design, and responsibility spanning the entire product lifecycle: from conception to design, from prototyping to industrialization, and even maintenance and development of installed devices . You won’t be overseeing a single piece of the process, but the product as a whole—in a context where reliability is as important as innovation.
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What will you do?
Product ideation and definition
You will contribute to the definition of new devices, starting from monitoring needs: translating scientific and product requirements into technical specifications, evaluating viable technological solutions, feasibility analyses, and cost estimates.
You will be involved in architectural decisions from the outset, not after decisions have already been made.
Firmware development
You will design and develop firmware for IoT devices on low-power microcontrollers, writing embedded code in C/C++ and integrating drivers for sensors and peripherals. You will manage device communication to the cloud using the most suitable wireless protocols for each application (LoRaWAN, NB-IoT, BLE, Wi‑Fi) and implement remote firmware update mechanisms (OTA), essential for a distributed fleet. You will continuously work on optimizing energy consumption, from managing sleep states to sizing battery and solar power profiles.
Hardware design
You will oversee the electronic design of devices: architecture definition, component selection, schematic design, and PCB layout, with a focus on manufacturing and testability (DFM/DFT) requirements. You will handle signal conditioning for analog and digital sensors