Oliver Bernard
Principal Engineer
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Principal Engineer - Series A Scale Up - Up to £270,000
I'm currently looking for a Principal Engineer to join a high-growth, YC-backed AI startup based in London.
It's a hands-on IC role focused primarily on scalable backend systems and genuinely at scale.
You'll be working directly with the Head of Engineering and CTO/Co-Founder — your impact will be visible and felt from day one. They're looking for someone who has taken companies from Series A through to Series C on multiple occasions; someone who has walked into complex, high-pressure environments, diagnosed the problems, fixed them, and unlocked the next phase of growth. This is about scaling products, not just teams.
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Tech Stack: Python · FastAPI · React · TypeScript · GCP
Salary: £190,000 - £270,000 + Equity
Working Arrangements: 3 days per week in Central London office
Why it might interest you
- YC-backed and scaling fast, adding 10 heads to engineering over the next few months
- Real AI in production (not just R&D)
- Smart, driven team of builders — ex-Meta, Spotify, MIT, and high-growth startups
- Large Series A investment already secured + up to 9 million in ARR
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Ideal profile
- Computer science background
- Strong, demonstrable signal of impact in previous roles
- Experience taking companies from Series A through to Series C
- A track record of fixing hard systems problems that unlocked scale
- Have real hands-on Python experience
If this sounds like a fit, please get in touch.
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