About

Johnny Butler - Head of Engineering (hands-on)

I build production systems where business intent, operational reality, and implementation line up - especially when mistakes are expensive.

Startups & scale-ups • end-to-end ownership (ship, on-call, stewardship)
Ruby on Rails • pragmatic system design • TDD • automation
Agentic delivery • dark factory workflow • grounded AI with sources

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Johnny

Head of Engineering · Startups & Scale-ups · Ruby on Rails · AI-assisted delivery

I’m Head of Engineering, hands on and close to the code. I build production systems where business intent, operational reality, and implementation have to line up, especially when mistakes are expensive.

Location: Sunderland,UK

Data status: last synced from notion at 2026-03-15T14:10:33Z.