Senior Design & Prototyping Engineer – On-Site Cambridge

Quell is a high-growth British defence and security AI technology start-up. We require a Senior Design & Development Engineer to drive concepts from early prototypes to refined, manufacturable products.

This hands-on role spans workshop and R&D environments, demanding practical experimentation, rapid iteration, and strong teamwork. The successful candidate will design and prototype with CAD tools, develop PCB electronics, and push products toward robust production while maintaining

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