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Field notes from building production software

Practical writing for senior developers, engineering managers and technical founders — performance, data, SaaS architecture, applied AI, payments and mobile.

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2 articles tagged mobileClear filters

Mobile·27 Oct 2026

Field sales on patchy signal: how reps keep taking orders when the connection drops

A sales rep's day in a mobile field-sales app: route by distance, geo-tagged check-ins, credit-checked orders that queue when the signal drops and sync exactly once, collections and commissions, plus what still needs a connection.

inventra field-sales

7 min

Mobile·27 Oct 2026

Making an HTML5 game feel good on a phone: touch controls, layout and performance

A practical walkthrough of the mobile decisions in a Phaser 3 arena game: a grid-friendly joystick, buttons that act on press, portrait and landscape layouts, crisp art at any pixel density, pooling and a fixed-step loop.

bomber-blast bomberblast

8 min