17 min read
The product was the easy part
What a SaaS needs before it can charge anyone: credit billing in Stripe, invoicing and sales tax, email unsubscribe law, terms and privacy, and an admin panel.
Writing
All posts8 min read
The job was never the code
Most of my code is now written by an agent, and my output went up rather than down. That is not a story about typing speed. It is about what the job always was underneath the typing.
5 min read
Metering tokens when the bill is the product
Billing per message is easy and wrong: one user sends a sentence, another uploads a report. Metering the tokens you actually spend is harder, and the hard parts are idempotency, allowance checks and what to do mid-conversation.
4 min read
Route cheap models to orchestration, not to the work
Most agent platforms pick one model and use it everywhere. Splitting model selection by role rather than by task is where the cost curve actually bends.
5 min read
Citations that survive the question
A RAG answer with a source name under it is not a citation. If a teacher cannot open the page and see the sentence, the system has not shown its work. Carrying page numbers through retrieval is most of the job.
- Years building software and solutions architecting
- 15+Years building software and solutions architecting
- SME and corporate projects delivered
- 100+SME and corporate projects delivered
- Tokens consumed monthly
- 100BTokens consumed monthly
- Cups of coffee daily
- 3Cups of coffee daily
What I work with
- AI
- Agent orchestration
- LLM harness design
- Token-cost optimisation
- RAG and vector search
- Model routing and evaluation
- MCP
- Anthropic Claude
- Google Vertex AI
- OpenAI
- Workers AI
- OpenRouter
- Cloud
- AWS (Certified Solutions Architect, Associate)
- Cloudflare Workers
- Durable Objects
- R2 / D1 / KV
- Google Cloud
- Alibaba Cloud
- BytePlus
- Fly.io
- Docker
- Languages
- TypeScript
- JavaScript
- PHP
- Python
- SQL
- Frameworks
- Node
- Hono
- Laravel
- FastAPI
- Vue 3
- Nuxt
- Vite
- Tailwind
- Filament
- Data
- PostgreSQL
- MySQL
- SQLite
- Drizzle
- ChromaDB
- Redis
Bring me your hard problems.
I like the ones that get harder at scale. Agent systems, runaway cost curves, platforms that have to hold up under real load. Tell me what you are building.