Techmunity | AI Startup Recruitment
Back End Developer
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Backend Engineer (Python) | ClimateTech | £65-85K + Equity
Mostly remote | Mondays in London | 1 month/year working abroad
Techmunity is hiring a Backend Engineer for a ClimateTech startup using AI to help the food industry measure and reduce its carbon emissions.
Their platform is used by 100+ organisations, including 25+ UK universities, GAIL's, Wahaca, and UEFA. They're approaching £1m ARR and heading towards profitability.
It's eight people, with five across product and engineering. Both founders are Cambridge graduates and Forbes 30 Under 30. You'll work closely with an Oxford-trained Head of Software with 10 years' engineering experience, including as the first technical hire and CTO of a seed-stage startup.
What you'll build
You'll take primary ownership of the Python backend and the systems behind one of the company's core products.
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Customers send millions of purchasing records and thousands of recipes into the platform. Their AI pipelines categorise, clean, and standardise that data before calculating the associated emissions, with 2m+ purchases already processed.
The engineering problems include:
- Python, Django, FastAPI, and PostgreSQL
- High-volume async processing and distributed workers
- AWS infrastructure and autoscaling
- Reliability, concurrency, monitoring, and error handling
- AI-powered ingestion, validation, and calculation pipelines
- Building new systems that turn large datasets into useful AI-generated insights
- There's scope to take features end to end across the stack too.
What they're looking for
They're less interested in years on a CV than what you've actually owned and shipped.
You'll need strong Python backend fundamentals and experience building reliable production systems. Django/FastAPI, AWS, and sizeable datasets are particularly relevant.
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You also need to be genuinely AI-forward.
The existing team uses Claude to rethink the development process itself, including agentic workflows that can take tickets through planning and into ready-to-review PRs.
If Claude Code and agents are already a fundamental part of how you engineer, you'll fit in well.
Production AI/LLM experience is a bonus rather than a requirement.
Package
£65,000–£85,000 + equity.
Mostly remote, with Mondays together between Farringdon and Old Street. One month/year working abroad, plus gym, food and drink, co-working spaces, and a health cash plan.
Three-stage interview process. No take-home test or live coding.
Apply or email reuben@techmunity.io
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