DAVID AHERN

Creative Technologist  —  Full-Stack Solutions Builder  —  IT Infrastructure Specialist

Maidenhead, UK · 07304 088384 · davidpaulahern@gmail.com · www.dpaul.studio · CitiIT Limited (citiit.uk)

Professional Profile

A multi-disciplinary Creative Technologist, Web Solutions Architect, and IT Infrastructure Specialist with 35 years of core systems experience across global banking, luxury retail operations, and critical headquarters relocations. Proven capacity to transition complex engineering logic into non-templated, lightweight web applications and browser-native tools. Expert at coordinating technical lifecycles under an independent limited company banner, combining high-scrutiny document compliance, front-end automation pipelines, and cinematic production values to deliver custom software that solves precise commercial operational challenges. Currently pivoting into Creative Technology, merging decades of IT logic with modern front-end design, AI-assisted coding, and digital brand storytelling — bridging the gap between technical infrastructure and creative output.

Technical Core Matrix

Front-End Architecture
Vanilla JavaScript (ES6+), Clean HTML5 Canvas Construction, Semantic CSS3 Layouts, Responsive Interface UI Breakpoints, Hardware-to-Web Audio API Synthesiser Implementations, Readymag (Expert), interactive UI components, UI/UX for MIDI-web integration.
Web Utilities & Ops
File System Access API, Array Manipulation, Local State Management, Git Automation Panels, GitHub Pages & Netlify CI/CD Deployment Architectures, Client-Side Session Local Cache Security, Supabase (Auth & Database).
Automation & Cloud
AI-Assisted Contextual Coding Patterns (Claude / GPT Integration), Automated Speech Synthesis Integration (Google Cloud TTS), Document Workflow Parsing Logic, Structured API Integrations, Automated Workflow Logic.
Media & Creative
Cinematic 4K Showreel Production (Widescreen 16:9 & Mobile Portrait 9:16 Platform Cuts), Sony Cine Capture, Adobe Premiere Pro (Advanced), Adobe Photoshop, After Effects, Logic Pro X, Sound Design & Dynamic Audio Signal Visualisation.
Compliance & Docs
Institutional Document Architecture, Adobe Acrobat Pro Engineering, Optical Character Recognition (OCR) Text Layer Cleaning, Sequential Institutional Bates Numbering Systems.
Enterprise Infrastructure
IT Service Management (ITSM), VIP/C-Level Support Frameworks, Legacy Shift Mainframe Systems (IBM System 38, AS400 Disaster Recovery), ServiceNow, Active Directory, Azure, Google Cloud (GCP), Google Workspace, Fleet MDM, Windows 10/11, macOS.

Professional Experience

Director & Creative TechnologistCitiIT Limited — Trading as dPaul.studio
2023 — Present
  • Bespoke Platform Architecture: Conceived, coded, and launched Autofacts.uk, an independent prestige vehicle marketplace utilising automated AI specification parsing, model-provenance matching, multi-device cinematic 4K video playback blocks, and a direct lead-routing communication pipeline.
  • Browser Engine Utility Engineering: Developed Dupe Remove (v1.0), a high-performance browser-native image array de-duplication utility using customisable match-level thresholds alongside full data session purges for client-side privacy.
  • Application Scaling & Tooling: Iterated the development of HTML-Live (v1.7), a standalone responsive code preview sandbox mapping integrated Desktop, Tablet, and Mobile viewport testing scopes with zero-latency preview processing.
  • Synthesiser Engineering: Self-engineered and shipped a custom 32-step MIDI Synthesiser with sequence patterns, leveraging vanilla Web Audio APIs, real-time FFT decibel mapping, and Netlify for rapid deployment and version control.
  • Supabase Integration: Architected interactive tools using Supabase for user data persistence and pattern memory across browser sessions.
  • Contract Freelance Consultancy: Deliver strategic technology alignment and template-free custom digital presences to small enterprises throughout London and Berkshire, protecting operational business continuity.
IT Service Manager (Kering Corporate Office Relocation)Creed / Kering Beauty, London
Jul 2024 — Feb 2025
  • Led the high-stakes on-site deployment and corporate user data migration for the 16th floor of the Aldersgate headquarters under tight execution windows, achieving zero data loss.
  • Managed and supervised engineering workflows and remote support loops protecting critical uptime for high-end luxury boutique storefronts across Central London using ServiceNow.
  • Commended explicitly by senior luxury brand management for seamless infrastructure execution, meticulous data privacy care, and white-glove VIP executive support delivery.
"David, we wanted to thank you so much for all the time spent together and all the hard work you've put in to make sure that we're all migrated safely. We really loved working with you." — Headquarters Relocation Review, Kering Beauty London
On-Site Infrastructure & VIP Support ConsultantBMI Group, London / Reading
Sep 2019 — Feb 2024
  • Coordinated continuous multi-site IT business continuity protocols for an internal infrastructure cluster protecting enterprise operations under high-pressure conditions, managing a team of 5.
  • Managed structural corporate teardowns, asset collections, and hardware refreshes — including the full systematic operational decommissioning of the Piccadilly headquarters.
  • Maintained 100% IT continuity throughout the pandemic, scaling Mobile Device Management (MDM) fleets and ensuring complete data access continuity across distributed remote deployments.
Onsite IT ManagerOxford University Press, Kettering
2017 — 2019
  • Provided 1st and 2nd line support leadership and technical coaching for frontline desktop support engineering teams within a legacy-rich computing environment.
Banking IT Operations Support SpecialistSantander, Citibank, NatWest
1990 — 2012
  • Administered institutional disaster recovery transitions, active network tracking, and batch computing processes throughout City of London global banking nodes.
  • Gained extensive structural familiarity with high-availability mainframe architectures, managing legacy IBM System 38 and AS400 frameworks across central banking data loops.
  • Maintained a spotless reputation delivering elite operational support frameworks for top-tier C-level global banking executives.

Selected Professional Achievements

Availability & Portfolio References

Immediately available for London-based freelance, B2B corporate contract, permanent, or creative front-end technology roles. Full portfolio case files, functional application links, and verified institutional references are available immediately upon inquiry via CitiIT Limited — citiit.uk  •  www.dpaul.studio