AI-103 and AI-300: a guide and my take
I passed both new Azure AI certifications on the first attempt, two weeks apart. What they cover, how I actually prepared, and what surprised me.
writing
Notes
Notes on AI systems, research, and engineering. 5 posts so far.
2026
Evals for workflows, not just nodes
Per-node evals stay green while the workflow does the wrong thing. Evaluating workflows end to end: representative cases, workflow-level scoring over recorded runs, and a regression gate.
From diagram to demo: a runnable workflow runtime
A runnable workflow-runtime repo with one workflow.yaml, POC and production variants, LangGraph/MSAF implementations, and failure scenarios that make the architecture testable.
From POC to scale: long-running AI workflows
How we represent human work as a graph, run it with LLMs, and what changes when the workflow has to survive hours, days, and thousands of concurrent runs.
Hello, world
A first note. Why this site exists, what I plan to write about, and how I'll keep it honest.