Mary Butler
I work closely with product teams to bring the user’s voice into every stage of development. I help teams solve complex problems that make a measurable difference.
My Work
Improving At-Home Lab Result Experiences Through UX Research
Led user research and redesign at LetsGetChecked to clarify at-home health test results, reducing confusion and support queries, while boosting engagement and helping users better understand their health status.
Turning Scattered Feedback into a Product Roadmap
Built a standardised feedback taxonomy and research repository for Ontada Health, helping teams identify user pain points and prioritise improvements across patient and practice-facing products.
An Post Digital Transformation
Shaping An Post’s digital transformation by designing and a component-based design system.
Solving Product Sizing with User-Centred Design
A strategic UX approach to help customers find their perfect fit, reducing returns and boosting confidence in online shopping.
Redefining Travel Booking UX for CarTrawler
Led a full-funnel UX transformation that streamlined car rental selection and increased conversion. See how intuitive design and user research shaped a global impact.
Restructuring SEAI’s Website for Clarity and Accessibility
Redesigned the information architecture to make energy advice and grant information easier to find. A user-first approach that improved navigation and content discovery.
Developing a New Genetic Testing Product
Led discovery research for LetsGetChecked’s hereditary cancer test, uncovering user needs through interviews to guide product decisions, enhance usability, and embed a user-centred mindset across the team.
Who I’ve Worked With
