RAG vs Fine-Tuning vs Prompt Engineering: A Decision Framework
Prompting, retrieval, and fine-tuning solve different problems, so the right choice begins with what must change.
Thinking
Technical writing
Practical writing on software architecture, product engineering, reliable delivery, and production AI systems.
How to Design Multi-Tenant PostgreSQL Schemas
Tenant isolation should be a database invariant, not a convention developers must remember in every query.
How to Evaluate an AI Feature Before Writing Code
An AI idea is worth building only when its uncertainty, failure cost, and measurable user value are understood first.
The SaaS Architecture Checklist: From MVP to Scale
A durable SaaS architecture starts with clear boundaries, observable failure modes, and a design that can evolve without a rewrite.