H Squared Talent
Senior Embedded Software Engineer
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Hybrid role
Broad technical exposure across microcontrollers, sensors, actuators, control and communications
A supportive, collaborative engineering culture
We're recruiting a Senior Embedded Software Engineer (firmware, real-time control and hardware integration) for a growing UK manufacturer of high-precision test instrumentation. Their systems combine precision electronics, mechanical actuation and closed-loop control, and the firmware you write directly affects the accuracy of tests that inform real engineering decisions.
Engineering is in a strong growth phase: the team has delivered new products, put solid development processes in place, and now has a full roadmap: refurbishing flagship products, developing next-generation instruments, and expanding into new markets with very different control requirements. You'll help lead a programme of six to eight projects over the next year: reviewing existing firmware and hardware, fixing and hardening what's there, and designing new firmware where platforms need to change. It's a blend of new development and in-depth work on existing code, with ownership from day one.
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You're proactive and take initiative rather than waiting to be told what to do. You see the bigger picture, find practical solutions, and keep a sense of humour. The team moves quickly, values a fail-fast approach to learning, and is tight-knit, so you'll enjoy working collaboratively.
What you'll be doing
- Leading and delivering firmware projects from specification through to production, mainly in C and C++
- Analysing existing firmware, identifying what needs to change, and making it robust, secure and compliant
- Writing real-time code for microcontrollers and processors that interface with sensors and actuators
- Working with electronics engineers to define hardware/firmware interfaces at design stage
- Contributing to code reviews, documentation and good embedded development practice across the team
- Helping production and technical support teams diagnose firmware issues on the bench or in the field
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The Candidate
Embedded Software Engineer / Firmware Engineer
The ideal candidate will have the following:
- Experience with RTOS firmware development in C or C++ for microcontrollers or embedded processors.
- A track record of leading firmware development, including taking projects from scratch to release, and reworking or fixing existing firmware
- Hands-on hardware experience: reading schematics, using oscilloscopes and debuggers
- Familiarity with embedded protocols
- Clear communication, including explaining technical decisions to colleagues outside firmware
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