N1AI - A community of AI trailblazers harnessing AI for public good
CTO - 5% equity (£133.5K) + £60K salary | £5000 if you know someone who will get hired
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Hiring Company is raising a £400k pre-seed round (£280K raised), at a valuation of £2.67m, so 5% equity salary is the big part £133.5K equivalent. You can ask for lower equity and a higher fixed salary of £60K. Big money you'll make with equity, if you're successful.
Referral fee: up to £5000 if the CTO candidate gets hired.
Company: Promising UK Startup part of N1AI Network
Location: London / Madrid preferred - but also other countries in Europe.
Type: Full-time
About the role
- We're looking for a hands-on CTO to take full ownership of our technology. You'll set the technical direction, build and ship the product day to day, and grow the engineering function as we scale.
- This is a founding-level technical role for someone who wants to own the stack end to end - from AI/ML systems to the app our customers use.
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What you'll do
- Own the entire technology strategy, architecture, and roadmap
- Build and ship across the full stack - frontend, backend, infrastructure, and data
- Design, train, and productionize AI/ML systems at the core of the product
- Make the hard build-vs-buy, tooling, and scaling calls - and stand behind them
- Set engineering standards, hire the early team, and shape technical culture
- Partner with the founders on product direction, priorities, and company strategy
What we're looking for
- Proven experience shipping production software as a senior engineer, lead, or founder
- Deep hands-on AI/ML experience - building, training, and deploying models in real products
- Strong full-stack ability; comfortable across frontend, backend, and infrastructure
- A track record of taking ownership and driving outcomes with little oversight
- Pragmatic judgment about what to build, what to defer, and when to move fast
- Ability to lead a small team and set the technical bar as we grow
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Nice to have
- Founder or early-stage startup experience
- Experience scaling systems and teams from zero to one
- Depth in data platforms and LLMs
What we offer
- Competitive salary, based on experience
- Meaningful equity and a genuine seat at the table
- Full ownership of the technical vision
- Work how and where you want, fully flexible on hours and location
Who are the angel investors who put £280k so far:
- General Manager of Philip Morris
- Founder of DAZN
- EVP of Disney
- Ex Amazon AWS
- Others
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