Building at every layer of the stack — from bare metal to the cloud, from raw code to systems that actually scale.
Who I Am
I build cloud infrastructure and software for organizations running at scale. My background spans IT support, application development, and cloud architecture — I've worked every layer of the stack, which means I can usually find the real problem faster.
Most of my recent work has been in Azure: Terraform-based infrastructure, API platforms, and DevOps tooling.
const AJ = { name: "AJ O'Brien", role: "IT Engineer, Architecture", stack: [ "Azure", ".NET", "Terraform", "GitHub Actions", ], focus: "AI Enablement", location: "Des Moines, IA", } export default AJ
What I Do
Multi-stack development across C#/.NET, Java, Kotlin, Flutter, and React. Comfortable switching contexts and moving fast in codebases I didn't write.
Cloud infrastructure designed to be maintainable, not just functional. Building shared platforms with Terraform and GitHub Actions that other engineering teams build on top of.
Helping engineering teams spend less time fighting their tools and more time shipping. Modernizing CI/CD pipelines so developers can focus on their work, not the infrastructure around it.
Getting engineering teams productive with AI in practice — rolling out GitHub's coding agent for PR reviews and quick fixes, integrating Claude into developer workflows, and building on harnesses like pi.dev. Hands-on enough to know the real costs and limits before recommending any of it.
Tools of the Trade