Staff Firmware Engineer
Full-time
EU/EEA
Sep 18, 2026
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About the Role
Staff Firmware Engineer Embedded/Firmware Engineers at Lunar will be responsible for the full product development lifecycle of our products’ firmware and software, which are important sources of functionality, adaptability, and optimization of our designs. We are looking for people who are passionate about a more sustainable future, and want to make that vision a reality. An ideal candidate is excited and ready to collaborate closely with a dedicated, cross-functional team to deliver innovative, best-in-class products. Engineers at Lunar are hands-on and involved in all aspects of the product, and own the design from forming concepts based on first principles to managing high-volume production quality. Lunar Energy was founded to transition homes to 100% clean energy—making our electricity greener, our air cleaner and our energy more safe, secure and reliable for all. We’re a fast-growing, global company building the world’s best clean energy products to electrify all homes and connect communities to form clean, resilient virtual power plants. On a given day at Lunar, you’ll likely… Develop wireless network communication solutions for high-volume products, ensuring continuous 24/7 reliability Design firmware software that runs in our home energy product components: RF communication protocols, mobile app interfaces, system diagnostics and updates. Drive design discussions on system architecture to achieve the desired product functionality. Collaborate wit