Principal Engineer

Oliver Bernard · london, london, United-Kingdom

Location
london
Job Type
Full-time
Posted
June 11, 2026

Job Description

Principal Engineer - Series A Scale Up - Up to £270,000


Ready to apply Before you do, make sure to read all the details pertaining to this job in the description below.

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.


Tech Stac...

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