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Cases

A selection of the work: what the client needed, what was built, and what it changed. Each case links through to the full write-up.

AllGames & 3DApps & deliveryAI & automationWeb & commerce
Diagram of the delivery pipeline in three lanes: Android to Google Play (commit on main, host gate of 44 tests, signed build, emulator smoke on a real device, Play production); iOS to TestFlight (App Store Connect subscription-approval gate, cloud macOS build, build number from Apple); and a daily device round that reseeds four subscription states and reads the screen back by OCR. Beside it, the real screenshot the pipeline pulls off the emulator on every publish.

Mit Håndværk publishes itself to two app stores — and a real phone holds the veto

Mit Håndværk — Danish marketplace app for craft, art and design (mithaandvaerk.dk); Flutter on Android and iOS, Laravel backend
Mobile delivery automation — Flutter CI/CD, on-device acceptance testing, Google Play and App Store publishing

Mit Håndværk is a Danish marketplace app for craft, art and design — a Flutter app on Android and iOS over a Laravel backend, with subscriptions, real-time chat and push. This case is not about the app's screens. It is about the machinery that puts a new version of it in front of users: a pipeline that takes a commit on main and, roughly ten minutes later, has published it to Google Play production — but only after the release has been installed and cold-started on a real Android device and survived it.

The same pipeline covers Apple from a Linux server that cannot build iOS at all: a release tag hands the build to a cloud macOS machine, which signs it and uploads it to TestFlight — and the tag itself cannot be pushed unless the app's subscriptions are actually approved and priced in App Store Connect.

Everything in the picture above is read off the running system: the counters come out of the pipeline's own log, and the phone panel is the screenshot the publish gate pulls off the emulator on every single release.

The abc.grn.dk alphabet screen: all 44 Thai consonants as cards colour-coded by class — mid blue, high orange, low green — each with its romanized name, above a practice-range picker and a "Practice 44 letters" button.

Learning to write Thai, one traced letter at a time

GrN.dk — internal build
Educational apps for children

abc.grn.dk teaches a child to write an alphabet rather than to recognise one: pick a letter, trace it with a finger, and the app scores the shape you actually drew and tells you how close you got. Thai first — all 44 consonants, free — with Japanese hiragana and katakana behind a premium gate. Everything happens in the browser: the handwriting recogniser is plain Dart running on the device, the spoken letter names are files bundled with the app, and there is no account, no runtime backend and no advertising.

Want something like this built?

Most of these started as a one-line idea on a kanban card. Tell me yours and I will tell you what it would take.

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Looking for older work? See the earlier-work archive (1998–2021).

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Written recommendations: Trafik og Veje, Aarhus Municipality (2011) · AgroTech (2010) · more on LinkedIn.

Illustrated infographic summarizing: WordPress 7.1 Forces the Editor Into an iframe—Test Your Custom Blocks
WordPress 7.1 Forces the Editor Into an iframe—Test Your Custom Blocks
2026-08-15

WordPress 7.1 removes the non-iframe editor fallback. Learn how to audit custom blocks, test real workflows and fix compatibility issues before launch.

Illustrated infographic summarizing: GitHub will stop sending jobs to stale self-hosted runners
GitHub will stop sending jobs to stale self-hosted runners
2026-08-14

GitHub starts enforcing runner versions on August 24, 2026. Audit and upgrade self-hosted runners before builds and deployments start stalling.

Illustrated infographic summarizing: Your AI Agent Has Shell Access. What Can It Reach?
Your AI Agent Has Shell Access. What Can It Reach?
2026-08-13

A practical guide to mapping what a shell-enabled AI agent can reach, then containing its access to files, credentials, networks, tools, and high-impact actions.

Illustrated infographic summarizing: Cloudflare Changed DoH JSON. What Else Is Parsing DNS as Text?
Cloudflare Changed DoH JSON. What Else Is Parsing DNS as Text?
2026-08-12

Cloudflare’s DoH JSON change exposes brittle DNS parsing. Find affected scripts, test both formats, and choose a safer integration contract.

Illustrated infographic summarizing: Your Website Can Answer Questions Now. Should It?
Your Website Can Answer Questions Now. Should It?
2026-08-11

NLWeb makes conversational website search practical to deploy. The real question is whether your content, users and team are ready to support it.

Illustrated infographic summarizing: AI Search Finally Has Reports. Now Connect Visibility to Revenue
AI Search Finally Has Reports. Now Connect Visibility to Revenue
2026-08-11

Google and Bing now expose first-party AI search data. The real task is connecting citations and impressions to analytics, CRM outcomes, and revenue.

Illustrated infographic summarizing: The Bot Passed Your CAPTCHA. What Did It Do Next?
The Bot Passed Your CAPTCHA. What Did It Do Next?
2026-08-11

Passing a challenge is only one signal. Session analysis, server-side validation and endpoint-specific controls help reduce bot abuse without blocking customers.

Illustrated infographic summarizing: WordPress 7.1 Moves Image Work Into the Browser—Test Every Media Hook
WordPress 7.1 Moves Image Work Into the Browser—Test Every Media Hook
2026-08-11

WordPress 7.1 shifts image processing into supported browsers. Here is what to test across hooks, CDNs, formats, security headers, and fallbacks.

Illustrated infographic summarizing: Prompt Caches Have Write Costs Now—Audit What Your Workflow Reuses
Prompt Caches Have Write Costs Now—Audit What Your Workflow Reuses
2026-08-10

GPT-5.6 makes cache writes billable. See how to spot wasted writes, stabilise prompt prefixes, place breakpoints and measure whether caching pays.

Illustrated infographic summarizing: The AI Crawler in Your Logs May Be Wearing a Borrowed Name
The AI Crawler in Your Logs May Be Wearing a Borrowed Name
2026-08-09

A User-Agent is a claim, not proof. See how to verify AI crawler traffic before it shapes reporting, robots.txt decisions, or WAF exceptions.

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