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.

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 jus...