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CerealBox Limited. is a UK-based creative and fundraising agency working with charities. We are seeking our first in-house AI Automation & Full-Stack Product Engineer to own True ROAS and build production tools that make the team smarter, faster and more effective.
You will identify automation opportunities, prototype solutions, and decide whether to build, integrate or buy. The role spans frontend, backend, data and AI, with a strong focus on delivering real business impact for charity
AI Automation & Full-Stack Product EngineerWhat if AI could do more than just write a caption?
Could it help launch and optimise ads?
Build landing pages?
Turn an idea into copy, static creatives and scripts?
Generate UGC-style content?
Automate reporting?
Answer internal questions?
Handle repetitive client communication?
Help our team make better decisions faster?
That’s what we want to find out and build.
CerealBox is looking for its first in-house AI Automation & Full-Stack Product Engineer: someone who can take a real business problem, figure out the smartest technical solution, build it, launch it, maintain it and continuously improve it as better AI models and tools become available.
This isn’t a role where someone gives you a list of tickets every morning.
You’ll be expected to ask:
“Why are we doing this manually?”
“Can AI solve this?”
“Should we build it ourselves or integrate an existing tool?”
“How do we make this 10x better?”
And then actually make it happen.
We’re a UK-based creative and performance agency working exclusively with charities.
We manage digital fundraising and paid media for around 30 charity clients and have already built our own analytics platform, True ROAS, to connect advertising spend with actual donation revenue.
Now we want to take the next step.
We want AI and automation embedded across the business not because it sounds cool, but because it can genuinely help our team work smarter, move faster and deliver better results for charities.
You’ll take ownership of True ROAS, our existing production platform used by our media buyers, creative team and leadership.
Today, it already handles:
You’ll maintain it, improve it and help decide what it becomes next.
Some of the problems we want you to explore include:
You won't necessarily build every idea exactly as described.
Part of your job is deciding what is actually worth building.
React • Vite • TypeScript • TanStack Router & Query • Tailwind • shadcn/ui
Supabase • PostgreSQL • Edge Functions • pg_cron • Row-Level Security
Vercel
Meta Marketing API • Fundraising platform APIs • AI/LLM APIs
GitHub • Pull Requests • AI-assisted development
And yes if you can show us that part of the stack should change, we’re open to the conversation.
You do not need to tick every single box.
If you’ve built real products, love figuring things out and can show us interesting things you’ve shipped, we’d still like to hear from you.
A genuinely high‑ownership role
The freedom to experiment with AI and emerging technology
The opportunity to build products that are actually used every day
Exposure to an international UK‑based agency environment
Direct access to leadership and the people using what you build
Space to research, test and introduce better technology
21 days paid annual leave
Work that ultimately helps charities raise more money
We don’t simply want a longer codebase.
We want:
less repetitive work, better data, smarter tools, faster decisions and AI systems that genuinely make the CerealBox team better at what it does.
If reading this already has you thinking, “I know how I’d build that…” we should probably talk.
Apply with your CV, LinkedIn/GitHub profile and, most importantly, examples of products, automations or AI‑powered tools you’ve actually built.