Blog
Writing about backend architecture, fintech systems, and lessons learned building software at scale.
How to set up your own always-on AI agent with Hermes (install and hosting)
A practical guide to installing Hermes —an AI agent with tools, memory and autonomy— and keeping it running 24/7 in the cloud with the official image. What the harness is, which models you can use (free ones included), and how to connect it to WhatsApp or Telegram.
Information Agents: the end of reactive search (and how they're built)
Google brought information agents to Search at I/O 2026: always-on assistants that monitor topics in the background and notify you on their own. How the architecture works under the hood, and what it means for those of us building software.
Idempotency in Payments: How to Avoid Your API Moving Money Twice
Why idempotency is not a technical detail in fintech, and how to design a system that withstands production reality.
Claude Code Playbook: The Complete Guide to Using It Every Day
A practical playbook with everything you need to use Claude Code as your development co-pilot: CLAUDE.md, MCP servers, hooks, GitHub Actions, and daily workflows. Updated 2026.