I design systems from first principles and direct AI to build them. I took PANTHEON — a governed, multi-tenant AI-agent platform — from idea to production, solo: the substrate, a no-code product on top, and the adversarial audit that hardened it. I don't hand-write code. What I bring is the systems thinking (multi-tenant isolation, a governed agent loop, atomic metering, failure-mode design) and the discipline to make AI-built systems actually hold. Built alongside full-time work outside software. Looking for a founding-builder, 0-to-1, or AI-native role where output and systems judgment beat pedigree.
How I build
What I doDesign systems from first principles → decompose into buildable pieces → direct AI to implement → adversarially verify → ship and run in production
Concepts I commandMulti-tenant isolation & trust boundaries, governance tiers & human-in-the-loop, atomic metering & rate control, agent loops / tools / guardrails, prompt-injection defence, failure-mode & blast-radius thinking
Systems I've shippedPostgres with row-level security, FastAPI services, a governed agent loop, MCP (both directions), React frontends, Docker / nginx deploys — directed the build, understand each end-to-end, don't hand-write the syntax
Keeping AI honestCI purity boundaries, golden-file snapshot tests, 819 tests green, 80-agent adversarial audits where every finding is refuted before it counts
PANTHEON — creator, solo
Governed multi-tenant AI-agent platform · designed the system, directed the build
Dec 2025 – present
Live in production · pantheonlabs.info & pantheonlabs.co.uk
- Isolation that survives composition — I designed strict multi-tenant isolation on Postgres row-level security (two-role,
FORCE + NOBYPASSRLS): a shared tool called by tenant B runs under B's scope, never the owner's. An 80-agent adversarial audit couldn't cross it.
- A governed agent loop, not prompt-glue — my design: perceive → knowledge → tools → judge → meter, with guardrails, a crisis protocol, overdraft-proof atomic metering, and human-approval gates for consequential (tier-3) actions.
- A no-code Studio product — turns a sentence into a themed, customisable website with bespoke generative art and a governed assistant live on web and Telegram — WhatsApp built, pending Meta approval. Idea to production, solo.
- Adversarial quality discipline — an 80-agent, 14-facet self-run audit where every finding was refuted before it counted, then fixed; 819 tests; a golden-file snapshot harness; an undoable edit ledger.
Selected problems I solved
- Diagnosed and killed a quadratic JSON-LD import DoS — a crafted 2 MB page froze the gateway for 70s; redesigned to a bounded linear scan, 70s → 4ms.
- Designed overdraft-proof metering via atomic check-and-decrement (
UPDATE … SET credits = credits - n WHERE credits >= n); a turn deflected to a crisis resource is refunded.
- Made safety beat the metric — a person in crisis reaches help even at zero credits, because the crisis check runs before billing on every surface.
Background
I studied Financial Mathematics at the University of Greenwich, London, until the pandemic cut it short — that's where I learned to reason about systems from first principles. No CS degree; I'm self-taught as a builder, and the live, attackable system is the qualification. I spent the two years before PANTHEON deep in distributed, trustless systems (the Ethereum ecosystem, from 2019) — that's where "don't trust, verify" became the principle behind everything I build. I've self-hosted on Linux since 2020 (a Raspberry Pi homelab) — that's why I can deploy and run PANTHEON in production solo. I designed and built PANTHEON alongside full-time work outside software (most recently as a care worker). Available on request: a live walkthrough of the running system, a code review under NDA, and references.