Insights
Notes from the systems we build.
Technical articles written from real work: the decisions, the code and the tradeoffs. Every figure is labelled, and where a system is still in development, the article says so.
Routing AI so most queries never reach a model
How a multi-tenant restaurant search we delivered decides, before any paid inference, whether a query needs a model at all, and what that does to latency and cost.
- AI & automation
- Software engineering
- Cloud, data & infrastructure
Offline-first point of sale: keeping the till selling when the network drops
How a restaurant POS we built writes every sale locally first, queues it for the server, and makes retries harmless when the connection comes and goes.
- POS & commerce
- Software engineering
Multi-tenant SaaS on Postgres row-level security
Why we put tenant isolation in the database rather than the application, the details in the policy that make it fail closed, and how we test it against a real Postgres.
- Software engineering
- Cloud, data & infrastructure
Have a complex problem?
Let's turn it into an engineered system.