Senior Firmware Engineer

Lead Firmware Engineer – Up to £80,000 | Remote or Hybrid

Location: UK-based (Remote, Hybrid, or Office-based)

Salary: Up to £80,000 + Benefits

Are you passionate about wearable technology and open-source principles? Join a fast-growing tech start-up that’s redefining how we interact with our devices. Our mission is simple: make technology repairable, upgradeable, and accessible - empowering users to take control of their gadgets rather than treating them as disposable.

About the Role

We’re looking for a Lead Firmware Engineer to take ownership of our firmware roadmap and help shape the future of our modular, upgradeable wearable products. You’ll work closely with a small, talented team of engineers and designers to deliver innovative features and ensure our products remain at the cutting edge.

Key Responsibilities

• Develop and maintain firmware architecture for our wearable devices.
• Contribute to kernel and application development in C++ .
• Improve sensor tuning and optimize power efficiency.
• Manage external firmware development partners.
• Collaborate with electronics, mechanical, and mobile app teams.

Tech Stack

• STM32 microcontroller
• Custom FreeRTOS-based OS
• Applications include activities (running, hiking, cycling), utilities, glances, and clockfaces.

What We’re Looking For

• Strong proficiency in C++ .
• Solid understanding of electronics schematics and datasheets.
• Experience building consumer products.
• Excellent communication skills for cross-disciplinary collaboration.
• Bonus: Passion for running, cycling, or wearable tech.

What’s on Offer

• Salary up to £80,000.
• Flexible working: fully remote, hybrid, or office-based.
• Opportunity to become a key part of a growing start-up.
• Work alongside an experienced product design team.