Building My First RAG Knowledge Platform
What I learned stitching together retrieval, local models, and a useful interface for real questions.
Working With Legacy Banking Systems
What old transaction flows taught me about trust, reconciliation, and the cost of a small change.
Why Legacy Systems Are Hard to Replace
The technical debt is only part of the story. The people, workflows, and invisible contracts matter too.
Building Small AI Tools That Actually Help
A narrow task, a clear source, and a quick review can be more useful than an ambitious assistant.
AI-Assisted Business Analysis
A practical look at where an AI copilot helps most, and where the human context still does the heavy lifting.
Documentation That Survives a Migration
How short decision records help the next person understand what changed and why.
Reverse Engineering Old Applications
Notes from opening up unfamiliar codebases, finding the seams, and making change feel less risky.
Lessons From Reading Unfamiliar Code
A few habits for finding the important behavior before trying to improve the implementation.
What I Learned Building AWS Registration Systems
A few durable lessons about infrastructure, registration flows, and designing for the unhappy path.