Senior software engineer in County Monaghan, Ireland. I’ve spent 13+ years shipping mobile, web, and cloud products with React Native, Expo, TypeScript, and AWS, and I ship apps of my own to the App Store, too.
Pre-load is live, boxed copies are in the shops, and Rockstar has confirmed 30fps on every console. My preview has the latest news, launch times in Irish time, and the €79.99 price.
Unlocks at midnight, your time
Shipped
Four apps on the App Store, plus tools and games you can use right here in your browser.
See all the toolsLeg it across Ireland.
An isometric runner over stone walls, across Dublin rooftops, and past sheep that won’t budge. Built with Expo and React Native Skia. Free, with no ads.
A neon 9×9 block puzzle. Clear rows, columns, and 3×3 boxes, and keep the combo climbing.
My first App Store release: a creative app for making, naming, saving, and sharing unicorn characters.
Everyday developer utilities for formatting JSON, building deep links, and checking colour contrast, entirely offline.
A lightweight CRM for capturing leads, tracking opportunities, and remembering follow-ups.
Work with me
Product-minded help across mobile, web, and cloud for teams that want to move with confidence. Fully remote from County Monaghan, on Irish time.
iOS, Android, and the web from one React Native and Expo codebase, written in TypeScript.
AWS with Cognito, DynamoDB, and OpenSearch, or Firebase, with Sentry keeping an eye on production.
EAS Build and Submit pipelines, Expo SDK upgrades, and finishing projects someone else started.
Studios and agencies can offer iOS and Android apps to clients without hiring a mobile team.
Mobile app development for client projectsAround the site
Practical notes from the workbench, small tools that solve real problems, clear-eyed tech analysis, and a few games for when you need a break.
32 practical guides for shipping Expo, React Native, and Firebase apps, kept current with each SDK release.
Clear-eyed analysis of the hardware, platforms, and business choices shaping software.
Read tech analysisPlayable browser projects alongside thoughts on games and the industry around them.
Browser apps and experiments made to solve a problem, or explore an idea.
Explore the toolboxSlow laptop, printer that won’t print, or just want someone patient to show you the ropes. I fix PCs and give one-to-one lessons for non-technical people, remotely or in person around Monaghan.
On X since 2009
New tutorials, app launches and what I’m building next, posted as it happens.
Follow @p_d_ySay hello
Tell me what you’re building, the stack, and the timeline. Rough notes are fine.
Prefer a form? Start on the hire-me page.
