Writing

Notes from building this software.

Things we learned maintaining products in production, written for the people who have to make these decisions.

Flutter20 August 2026 · 9 min read

We cut maintenance cost by 40% migrating to Flutter. Here is when not to.

The 40% number gets quoted at us more than anything else we have published. It is real. It is also narrower than it sounds, and it did not come from where most people assume.

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Dispatch Systems20 August 2026 · 8 min read

The map is lying to you: GPS signal loss in dispatch systems

A controller sends the nearest car to a job. The car is not there. It has been sitting in a multi storey car park for eleven minutes and the map never said so.

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Security Software14 August 2026 · 7 min read

Why your guard patrol app stops working in a basement, and what to do about it

A guard scans a checkpoint in an underground car park. The app shows a tick. The scan never reaches the server. Nobody finds out until a client disputes the invoice six weeks later.

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