Optimus Search is working with an innovative IoT company that's making serious strides in the energy sector. Their latest product is helping customers cut down on heating energy use in both new builds and existing properties — all in support of reaching net-zero goals .
They’re now looking for a Senior Embedded Developer to join the team. As a Microsoft Gold Partner, they work with the latest technologies, and this role offers the chance to get hands-on with modern cloud solutions while contributing to something with real-world impact .
Your Role
* As a key member of the team, you’ll continue to drive the firmware development for our IoT products, taking ownership of specific components and functions.
* You'll design innovative, long-lasting solutions and implement them independently, helping shape a product that stands out in the market.
* Working closely with our embedded, backend, and frontend developers —as well as hardware specialists and other cross-functional experts—you'll contribute to a seamless, integrated product.
* You'll also play a central role in defining how the products interact with our communication infrastructure and cloud system, ensuring smooth performance and connectivity.
What You Bring
* A degree or formal training in a STEM field .
* Solid experience in professional embedded development, with an understanding of long-term field operation and maintenance.
* Strong knowledge of IoT development, especially with LoRaWAN — if you know the ins and outs - then great!
* A knack for deriving insights from data and using them to improve products .
* Expertise in microcontroller programming with C/C++, ideally for ARM Cortex-M33 (NXP) or similar platforms.
* Advanced German skills (B2 or higher) and fluency in English.