Senior/Lead Firmware Engineer

An established IoT consultancy is looking for a Senior Firmware Engineer to join their team. You’ll work across a variety of client projects, developing the low-level software that powers real products – from early prototypes right through to production-ready systems.

The work is hands-on, hardware-focused, and offers plenty of technical variety. You’ll be in the office around two days a week for hardware testing, collaboration and project work, with the flexibility to work remotely the rest of the time.

Key Responsibilities

• Develop firmware in C or C++ for microcontroller-based systems.
• Build and test device drivers, hardware interfaces and real-time features.
• Own tasks across the full lifecycle: requirements, design, coding, debugging and system testing.
• Work closely with electronics engineers during bring-up and prototype development.
• Support technical discussions and help shape solutions with internal teams.
• Senior engineers will take on leadership responsibilities – guiding junior engineers, reviewing code, and helping steer technical decisions on projects.

Experience

• 6+ years in commercial firmware or embedded engineering.
• Strong track record of owning features or subsystems end-to-end.
• Experience providing technical leadership, mentoring junior engineers and supporting team delivery.
• Confident in reviewing designs and helping guide technical decisions.
• Comfortable handling client-facing technical conversations.
• Good understanding of embedded development processes.
• Clear communication skills and a collaborative approach.
• Able to work independently and deliver reliable, well-tested code.

You must already have the right to work in the UK.

If this sounds like something you’d be interested in, apply now for an informal chat.

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