CityFibre · Senior Applied AI / Full-Stack Engineer · Mar 2023 – Jun 2026
AI agents, in production.
Production AI inside a large UK fibre operator — agents and RAG workflows that shipped to real users, not demos.
Role
Senior Applied AI / Full-Stack Engineer at CityFibre (Mar 2023 – Jun 2026). Part of client delivery teams building applied AI into existing operations.
What shipped
Built and launched 10+ production AI agents, including QA agents that cut QA cycle time by up to two days. Implemented Claude and Grok RAG workflows with vector databases, guardrails and API integrations.
Stack
TypeScript / Node / Python / PostgreSQL / AWS
Why it matters
This engagement is proof of production AI delivery: multiple agents live, RAG with guardrails, and stack choices that match how UK product teams actually ship.
How this maps to hire intent
How this maps to hire intent: production RAG and tool-using AI agents shipped inside a real operator — not a demo. Hire for the same shape of work via /services/rag, /services/ai-agents, and /services/full-stack.
Location
Milton Keynes / UK remote. Local hire angle: /services/milton-keynes.
Honest limits
Honest limits: day rates are not published here — scope-dependent quote via /#enquire. Charities can apply for at-cost work. No invented clients or metrics beyond live pages.
FAQ
What did you do at CityFibre?
Senior Applied AI / Full-Stack Engineer (Mar 2023 – Jun 2026), shipping production agents and RAG workflows — see What shipped on this page.
Can I hire you for similar RAG / agent work?
Yes — /services/rag and /services/ai-agents.
Do you publish day rates here?
No. Scope-dependent quote — contact. No invented figures.
Are you Milton Keynes based?
Yes — /services/milton-keynes.
Is CityFibre still a current employer?
Engagement dates on this page: Mar 2023 – Jun 2026 (past role).
Enquire about production AI agents / RAG delivery