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Full-stack engineer turned AI application builder with 7+ years shipping production software across web, mobile, desktop, and LLM-driven systems. I design, train, and deploy applied-AI products end to end—from custom agent harnesses and fine-tuned models to React/Node and Windows desktop experiences. I’m currently building Godot Sight, an open-source runtime evidence platform for AI-assisted game development, and I’m the founder of Expansion (Carlow, Ireland) delivering AI and full-stack work for media, e-commerce, and public-sector clients.…Full-stack engineer turned AI application builder with 7+ years shipping production software across web, mobile, desktop, and LLM-driven systems. I design, train, and deploy applied-AI products end to end—from custom agent harnesses and fine-tuned models to React/Node and Windows desktop experiences. I’m currently building Godot Sight, an open-source runtime evidence platform for AI-assisted game development, and I’m the founder of Expansion (Carlow, Ireland) delivering AI and full-stack work for media, e-commerce, and public-sector clients.

Aaron Keating

AI Developer, AI Engineer, Game Developer, +7

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Full-stack engineer turned AI application builder with 7+ years shipping production software across web, mobile, desktop, and LLM-driven systems. I design, train, and deploy applied-AI products end to end—from custom agent harnesses and fine-tuned models to React/Node and Windows desktop experiences. I’m currently building Godot Sight, an open-source runtime evidence platform for AI-assisted game development, and I’m the founder of Expansion (Carlow, Ireland) delivering AI and full-stack work for media, e-commerce, and public-sector clients.…Full-stack engineer turned AI application builder with 7+ years shipping production software across web, mobile, desktop, and LLM-driven systems. I design, train, and deploy applied-AI products end to end—from custom agent harnesses and fine-tuned models to React/Node and Windows desktop experiences. I’m currently building Godot Sight, an open-source runtime evidence platform for AI-assisted game development, and I’m the founder of Expansion (Carlow, Ireland) delivering AI and full-stack work for media, e-commerce, and public-sector clients.

Available to hire

Full-stack engineer turned AI application builder with 7+ years shipping production software across web, mobile, desktop, and LLM-driven systems. I design, train, and deploy applied-AI products end to end—from custom agent harnesses and fine-tuned models to React/Node and Windows desktop experiences.

I’m currently building Godot Sight, an open-source runtime evidence platform for AI-assisted game development, and I’m the founder of Expansion (Carlow, Ireland) delivering AI and full-stack work for media, e-commerce, and public-sector clients.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Beginner

Language

English

Fluent

Work Experience

Founder at expansion.ie

July 11, 2019 - Present

-15+ years of software engineering experience. -Founded my own software engineering company. -AI engineering experience (RAG, Azure AI Search, LLMs, prompt engineering, enterprise AI). -Professional game development experience (Godot, Unreal, SDL3/C++). -Modern backend and cloud engineering. -Production architecture experience. -Ability to work independently from idea through deployment.

Founder & Lead Engineer at Expansion

June 1, 2019 - Present

Founder and lead engineer delivering AI products and full-stack development for clients. Built and operated autonomous and AI-driven systems (including Syper-News and custom local-agent harnesses), created applied-ML and LLM capabilities (including an end-to-end trained model), and shipped user-facing desktop and web applications. Led mobile development work using React Native + Expo, built e-commerce storefronts (RedwoodJS + Tailwind) and backend services (Node/PHP/WordPress), designed secure multi-role data systems, and managed end-to-end delivery (discovery, scoping, implementation, deployment, and maintenance) solo or with contractors.

Software Engineer at UNUM

March 1, 2016 - October 1, 2016

Developed a Redis back-plane for load-balanced server communication and real-time state sync across logged-in users. Designed and maintained CI/CD pipelines for the engineering division, and improved internal admin UX by rebuilding multiple admin-panel interfaces.

Education

BSc in Computer Games Development at Institute of Technology Carlow

September 9, 2015 - September 9, 2019

BSc in Computing with Game Development at Institute of Technology Tralee

September 9, 2006 - September 9, 2010

BSc in Computer Games Development at Institute of Technology Carlow

September 1, 2015 - September 1, 2019

BSc in Computing with Game Development at Institute of Technology Tralee

September 1, 2006 - September 1, 2010

Qualifications

GamesFleadh.ie Awards

July 11, 2026 - July 11, 2026

GamesFleadh.ie - College Champions with the game Swarm Wars. Won five major awards, including two for Best in Visual Effects Engineering and one for Best in Multiplayer