Self-taught developer since 2020. Building multi-agent AI pipelines, fullstack applications, and the infrastructure to run them reliably.
Based in Lincolnshire, UK. Working remotely.
AppFactory — an autonomous multi-agent build pipeline. LangGraph orchestrates agents running headless on a Linux VM (Design, QA, Dev, Infrastructure, Research). Human-in-the-loop gates pause the pipeline at approval points; it only resumes when a decision is recorded in state. Observability via Langfuse. Secrets via Infisical.
FamilyCookbook — recipe app with semantic search (pgvector + OpenAI embeddings) and AI image generation. Angular, .NET 8, PostgreSQL. In production and in daily use.
Tom — AI music teacher with longitudinal memory. Daily check-ins, practice planning, sheet music ingestion. n8n, Claude API, mem0, Qdrant.
Pippa — AI welfare adviser for the UK PIP disability benefit process. Domain knowledge injection, session continuity, safeguarding protocols. Built from personal experience of the system.
LangGraph Claude API n8n Python TypeScript C# / .NET Angular
PostgreSQL + pgvector Docker Azure / Terraform Infisical Langfuse
TrueNAS SCALE GitHub Actions
Prior: GAMP 5 regulated pharma (Melior Solutions). Led the company AI working group.
geoffwalker@outlook.com
linkedin.com/in/geoff-walker-a3ab02227