guinness.dev · Independent data & AI engineer, London

Data field

Command Centre

Richard Guinness: independent data & AI engineer, London. Building systems for clients since 2004, including fourteen years co-running a systems integration business.

Entrepreneur turned engineer
Works directly with the people who rely on it
UK SC cleared

About ▸

Service · Data pipelines

Refinery

Raw data in, usable data out. Ingestion and modelling that turns scattered APIs, spreadsheets and inboxes into something you can act on.

Python · SQL · dbt
Postgres · Databricks
Tested, versioned pipelines

Data pipelines ▸

Service · AI agents

Agent Lab

Agentic workflows that do real work, like research, enrichment and lead handling, kept inside strict boundaries.

Local inference & RAG
Evals that check what models actually do
Scoped API access

AI agents ▸

Service · Web apps

Workshop

Practical tools for real business problems, built alongside the people who will use them.

Customer-profiling tool for a services company
FastAPI · JavaScript
Rust → WebAssembly

Web apps ▸

Approach · Security

Perimeter

Security-first by default. Agents run in sandboxes, credentials stay with a broker, and every integration gets the least access it needs.

Sandboxed agents
Credential brokering
Least privilege, everywhere

How I work ▸

Work · Case studies

Silos

What’s in storage: the tools I reach for most.

Python · SQL · dbt · Postgres
Docker · Terraform · GitHub Actions
Azure · GCP · Databricks

Full stack ▸

Contact

Comms Array

Open a channel. Tell me what’s slowing you down and I’ll tell you whether I can help.

richard@guinness.dev
github.com/richardguinness
linkedin.com/in/richard-guinness

Get in touch ▸

Structures

Richard Guinness: Independent data & AI engineer, London