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
MCP · Financial data
Your broker account, charts and market data inside AI.
A secure MCP connector that lets an AI assistant retrieve broker-account information, analyse market data and create stock charts through a controlled, read-only interface.
MCPBroker APIMarket data
AI · Banking intelligence
A banking directory enriched by AI.
A searchable directory that brings banking and company information into one place, with automated data enrichment, research summaries and clear trust indicators.
OpenAIWeb searchData enrichment
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
