Heather Mascall

Lead User Experience Designer & Developer · Design Systems & Production Code

24 years experience across physical space design, digital architecture and human-centred UX.

Profile

Lead User Experience Designer who ships production code. 24 years designing physical and digital experience. Often in parallel, not in sequence. Human-centred UX/UI, end to end: discovery, design, build. Vue.js, React and TypeScript in production, component libraries in Storybook, WCAG 2.2 delivered into federal government systems. Lead developer on Western Power's public outages map, live and in active use across WA. AI accelerates the work; 24 years tells me when it's wrong.

Experience

Insight

Perth, WA · Hybrid · Full-time
Lead User Experience DesignerJan 2026 – Present
Senior User Experience DesignerFeb 2024 – Jan 2026

Fortune 500 global technology consultancy. UX and design delivery across federal, state government and enterprise clients. Promoted to Lead in January 2026.

  • PTA: Legacy CIS Replacement. Led the winning bid, prepared tender, estimations and pitch deck. Co-facilitated discovery across 13 stakeholder groups (26 individuals), 5 workshops with 53 attendees. As sole remaining Insight consultant, authored the CIS Performance Framework, approved into PTA's assessment process.
  • Federal Government Application Portal. Consolidated fragmented multi-portal services into a single WCAG 2.2-aligned customer portal across four user groups. Co-facilitated 9 workshops. Hands-on Power Pages developer within federal delivery guardrails.
  • WA Electoral Commission: Online Disclosure System. UX, BA and technical leadership across 3 major releases. Facilitated design thinking workshops with 7 separate political parties as an impartial contractor, reconciling competing interests into one secure, accessible system.
  • AI accelerators and enablement. Built a reusable AI-powered presentation generation accelerator for a higher-education client. Authored a four-level maturity model for AI-enabled content generation, plus client enablement roadmaps.

Capgemini (acquired Empired)

Perth, WA · Hybrid · Full-time
Lead ConsultantSep 2023 – Feb 2024
Senior ConsultantJul 2022 – Sep 2023
UX Consultant, EmpiredApr 2022 – Jul 2022

Tier 1 global consultancy. Front-end and full-stack delivery on large public utility and resources programmes.

  • Western Power: Outages Map. Lead developer on Western Power's public real-time outage map: Vue.js with ArcGIS integration, serving more than one million customers across 255,000+ km². Launched 31 October 2023; live and in active use.
  • Website rebuild. 2nd lead front-end/full-stack developer on the complete rebuild: Optimizely, Vue.js and Storybook component library. Promoted to front-end squad leader within 3 weeks.
  • Anglo American: Geoscience ML Platform. Front-end developer inside a programme of 8 projects and 70+ developers, building an ML tool predicting copper porphyry deposit fertility. React/TypeScript front-end; first enterprise AI/ML project.
Stack: Vue.js · React · TypeScript · .NET · Optimizely · ArcGIS · Storybook · Python

DC Two Limited (now Adisyn Ltd, ASX:AI1)

Bibra Lake, WA · Part-time (1–2 days/week) Dec 2016 – Nov 2020 · Full-time Nov 2020 – Apr 2022
Creative Lead | Front-End Developer, Branding & MarketingDec 2016 – Apr 2022

ASX-listed Perth company: enterprise cloud, managed hosting and data centre services. Joined as sole front-end developer; mentored into full-stack by the lead architect; grew into second of two technical leads.

  • Pod data centre dashboard. Figma wireframes and React component development: drag-and-drop floor plan view, responsive widgets, colour indicators and animated states for sensors and device status.
  • ASX listing (10 Nov 2020). Led the marketing and communications workstream, directing five external specialist providers through the listing.
  • DC Portal. Co-developed CMS/client portal for cloud hosting management, SPLA software auditing and automated billing across hundreds of clients.
Stack: PHP · React · Figma · jQuery · PostgreSQL · CSS · HTML5

The Factory (Australia) Pty Ltd

Balcatta, WA · Part-time
Senior Estimator · Drafting · Design Architect · Graphic DesignFeb 2013 – Nov 2020

Perth's most awarded signage company, 33+ years. Signage and environmental graphics for corporate fitouts, exhibitions and specialist museum fitouts.

  • Woodside HQ, Mia Yellagonga. $800k+ signage and environmental graphics contract. Lead estimator; advised the lead designer on wayfinding strategy across 29 levels.
  • MAGNA Award 2019, Museums Australia, Manjimup Heritage Park. A team award for someone else's design. My role was making it buildable: lead estimator and museum specialist adviser to the interior designers and architect.
  • NextDC data centre. Designed, drafted and managed fabrication of 3 large illuminated lightbox SKY signs.
  • Constable Care: Road & Transport Safety School. WA's first: a fabricated town with real roads, a mock Transperth train, and physical beacons driving an AR experience.

Skills

Front-end

Vue.js React TypeScript JavaScript HTML5 CSS .NET

Design Systems

Storybook Component Libraries Atomic Design Figma

Accessibility

WCAG 2.2 axe WAVE Lighthouse Siteimprove

AI

GitHub Copilot Claude Claude Code Figma AI

Platform

Azure Azure DevOps Power Platform D365 Optimizely ArcGIS

Education & Certifications

Bachelor of Arts, Multimedia Design

2002

Curtin University of Technology

Advanced Diploma, Graphic Design and Multimedia

1999–2001

Central TAFE College of Art, Design and Media

Microsoft Certified: AI Transformation Leader

Apr 2026

Microsoft

Microsoft Certified: AI Business Professional

Apr 2026

Microsoft

Design Thinking

Apr 2024

Interaction Design Foundation

Clearance

Active AGSVA Baseline Security Clearance (granted November 2025)

Awards & Recognition

  • WiTWA Tech[+] Award nominee, 2025, Design, Analysis & Product Management
  • MAGNA Award 2019, Museums Australia, Manjimup Heritage Park. Team award; lead estimator and museum specialist adviser.