Senior Embedded Software Engineer Equity at VC-backed IoT safety startup

Job Title

Senior Embedded Software Engineer

£55,000 - £95,000 + Equity

VC-backed IoT safety startup

Join a high-impact team developing next-generation hardware and software designed to protect homes globally. As a senior engineer, you will own the firmware lifecycle for a flagship safety product, moving beyond marginal gains to shape a platform that will define the company’s technical foundation for the next decade in a mission-driven environment.

London, UK

• High-ownership environment where you will be one of the first three engineers, directly influencing the architectural direction of a life‑saving product.
• Backed by top‑tier Silicon Valley investors and growing quickly within the massive smart home and residential safety market.
• Mission‑driven work that solves critical failures in existing safety technology, utilizing advanced sensors and AI to protect millions of households.

• Lead the end‑to‑end design, development, and optimization of embedded C/C++ software for sophisticated hardware devices.
• Drive high product quality through rigorous code reviews, automated testing, and the maintenance of modern CI/CD pipelines.
• Collaborate closely on hardware design by providing expert peer reviews on schematics and PCB layouts to ensure seamless firmware integration.

• 5+ years of professional experience in embedded C development with a strong command of RTOS environments like FreeRTOS.
• Proven track record of taking firmware from initial concept through to production, including experience with hardware debugging and low-level programming.
• Proactive communicator comfortable with ambiguity and speed, possessing an interest in leveraging new technologies like AI to accelerate engineering output.