Techmunity | AI Startup Recruitment
Full Stack Engineer
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Full Stack Engineer, Backend Focus
£65,000–£85,000 + Equity | Remote, UK / Europe
About the Opportunity
Fancy building the AI behind someone's next great holiday, at a startup that's already profitable?
Techmunity is recruiting a Full Stack Engineer for a fast-growing travel technology company reinventing the traditional travel agency with AI.
They combine AI-powered personalisation, real bookable inventory, and human expertise to give customers the convenience of booking online with the service of a high-end travel agent. That covers the whole trip: five-star stays, luxury villas, yachts, private jets, and flights, all booked directly rather than handed off elsewhere.
And it's working. 1M+ stays across 50K+ destinations and 120+ countries. More than half of bookings come through referrals, 80%+ of customers book again, and sales volumes have grown 10x+ since their pre-seed.
The company is already profitable, with ambitious plans for its next stage of growth and backing from senior figures at Google, Goldman Sachs, Blackstone, and Barclays.
The Role
You'd join while the engineering team is still small, working directly with a CTO in the top 0.27% of Stack Overflow contributors and a Founding Frontend Engineer who spent nearly five years building products at Spotify used by millions.
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Key Responsibilities
- Backend-focused, but full-stack in practice. You'd own projects from the initial problem through to production rather than being one engineer inside a large delivery team.
- The systems behind bookings. Python and FastAPI services handling live inventory, quoting, payments, and amendments, where the state has to be right because real money is moving.
- AI that survives contact with paying customers. Recommendations built on real booking history, and natural language search across a million properties. The hard part isn't the model call, it's grounding, validation, evaluation, and knowing when the output is wrong.
- Travel supplier integrations. Flights are the current focus, with more providers being added. Supplier APIs are inconsistent, availability moves constantly, and requests fail halfway through.
- The data layer underneath it. PostgreSQL, Firestore, Redis, and GCP, with real ownership of reliability and performance rather than a platform team to escalate to.
- The occasional trip up the stack. React, Next.js, and TypeScript when a feature needs following through to the screen.
Get help with your application
Your very own career expert that helps elevate your application to the next level.
They already run in-house machine learning and generative AI in production across search, recommendations, booking, and internal travel tooling. The AI work goes considerably deeper than integrating an LLM API.
Who We're Looking For
- 3+ years' commercial software engineering experience, with Python central to your recent work
- Experience building technically demanding production software where scale, reliability, or complexity mattered
- Experience shipping AI-powered functionality to real users, with an understanding of modern AI beyond the API layer
- Enough full-stack experience to contribute comfortably to React and TypeScript
- Strong ownership and engineering judgement, with difficult problems you can point to and say you solved
Bonus Points
Experience with AI agents, recommendation systems, payments, marketplaces, or complex integrations would be particularly useful, but not essential.
Compensation
£65,000–£85,000 plus equity. Remote across the UK and Europe, with a slight preference for UK-based candidates. The team is currently split between London and Sweden.
How to Apply
Apply now or email reuben@techmunity.io
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