#RAG
3 articles — newest first.
- 7 min read
AI Engineer Portfolio Examples: What Reviewers Verify
Four kinds of AI engineer portfolio pieces that let a reviewer verify production experience in minutes: a live grounded assistant, a product with a readable trust boundary, a measured result, and the operating model. With this site as the worked example and its failures included.
- 8 min read
WhatsApp Chatbot for Business: Monthly SaaS vs Owning It
What a WhatsApp chatbot really costs in India: Meta's per-message fees, WATI and Interakt plans over three years, and when an owned AI bot is cheaper.
- 7 min read
Semantic Caching That Actually Hits
The streamerOS support agent kept re-answering the same question phrased ten ways, so I built a semantic cache that matches meaning, not the string.