AI systems & agents
Useful AI grounded in your business: RAG, intelligent workflows, document review, classification and decision support.
- Azure OpenAI & Anthropic
- RAG & knowledge systems
- Agentic workflows
AI · Automation · Data
Complex systems.
Clear outcomes.
I design and build production-ready AI, automation and data platforms that solve hard business problems—securely, practically and end to end.
Built for real operations
- Microsoft Azure
- OpenAI
- Python
- React
- PostgreSQL
What I do
From messy requirements to
working software.
I help businesses turn ambitious AI and data ideas into secure, maintainable products. One technical owner from discovery and architecture through build, deployment and handover.
Connected platforms
Full-stack applications and integrations that connect teams, tools and data without creating another silo.
- React & Next.js
- Python & Node.js APIs
- PostgreSQL & webhooks
MCP & AI connectors
Secure remote tools that give AI assistants controlled access to live systems and specialist data.
- Streamable HTTP & SSE
- OAuth & token security
- Azure App Service
Selected outcomes
Built for businesses where
the details matter.
AI · Sales operations
Proposals built in minutes, not hours.
An Azure-hosted quotation platform with RAG-powered pricing, proposal generation and direct CRM integration.
Azure OpenAIReactPostgreSQL
Data · Franchise operations
100+ systems. One connected view.
A unified CRM synchronising independent franchise data, with webhook orchestration and a custom postcode matching engine.
Next.jsNode.jsWebhooks
Regulated technology
Compliance designed in from day one.
A GDPR-aligned pharmaceutical validation platform with full audit trails, secure document storage and role-based access.
AzurePythonRBAC
Client identities and sensitive implementation details are kept confidential.
10+years across data,
finance & technology
finance & technology
About
Senior thinking.
Hands-on delivery.
I'm Sean Twomey, an AI developer and data engineer based in Cork, Ireland, working remotely with UK, US and Irish clients.
My background spans banking, healthcare, pharmaceuticals and enterprise data. I bring the rigour of regulated environments to fast-moving AI product development—so what gets built is useful, secure and ready to operate.
More about Sean ↗Based in Cork · Working worldwide
