John Riordan
Selected Work

Portfolio & Case Studies

High-speed business website concepts and live open-data Progressive Web Applications engineered for sub-second performance.

Little Acorns Childcare Website Showcase
Design Concept 100/100 SEO & Accessibility

Little Acorns — Early Education & Crèche

An independent mobile-first design concept for a childcare centre. Built around busy parents browsing on mobile connections, presenting age-group programmes, ECCE/NCS scheme eligibility, opening hours, and direct enquiry forms with instant page loads.

The Suirside Inn Website Mockup
Design Concept 99/100 Mobile Speed

The Suirside Inn — Traditional Pub & Venue

An atmospheric, heritage-inspired concept for a local pub. Combines a warm stout-and-cream colour palette with ultra-lightweight AVIF imagery, giving patrons instant access to weekly live music schedules, menus, and location details without relying on social media algorithms.

Portlaw Credit Union Website Showcase
Design Concept Interactive Calculators

Portlaw Credit Union — Community Financial Portal

An independent financial web portal concept featuring interactive loan repayment estimators, clear digital membership pathways, and high-contrast accessible typography designed for effortless member self-service on any smartphone.

Dublin Live Air Quality Monitor Interactive Map and Dashboard
Live Progressive Web App EPA & Smart Dublin API

Dublin Live Air Quality Monitor

An installable Progressive Web App aggregating live Air Quality Index for Health (AQIH) and particulate matter readings across EPA and Dublin City Council monitoring stations. Includes an interactive station map, health guidance, and iOS/Android home-screen installation.

Cork City Parking Monitor app preview
Live Progressive Web App Data.gov.ie Showcase

Cork City Parking Monitor

A real-time parking availability PWA powered by the Cork City Council Open Data Portal. Engineered with service-worker offline caching, the Screen Wake Lock API, and hands-free spoken availability updates via the Web Speech API.

OPW Realtime Water Levels Flood Monitoring App
Live Progressive Web App Data.gov.ie Showcase

OPW Realtime Water Levels

A public-safety flood monitoring web app built on Ireland's Office of Public Works sensor network. Aggregates live river gauge telemetry across the country into a lean, low-bandwidth mobile interface accessible on rural mobile networks.

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