Karen O'Sullivan

A UX Designer with 2.5 years of agency experience, I’ve created user-centred products across a variety of industries, including healthcare, travel and eCommerce. My strength lies in connecting business goals with user needs through research, strategy, and design to deliver intuitive, data-driven experiences. Thriving in collaborative teams, I communicate insights with clarity and design inclusive solutions that achieve measurable impact.

UX Designer & Researcher | Friday Agency, Dublin, Ireland Jan 2023 – May 2025

I was the lead researcher and designer on projects in Travel, eCommerce, and healthcare, planning and running studies, synthesising insights, and guiding product direction within Agile teams.

• Planned and conducted user research (interviews, surveys, usability testing), synthesising insights into product direction for clients in travel, eCommerce, and healthcare.
• Uncovered discoverability and booking flow issues for a holiday home rental company through research and analytics, redesigning the experience to resolve them and driving a measurable increase in online bookings.
• Created information architectures, site maps, and task flows, improving usability and leading to up to 3× growth in conversions across client projects.
• Produced UX documentation including wireframes, prototypes, use cases, and audits to support design, development, and stakeholder communication.
• Designed responsive UI layouts with attention to hierarchy, typography, and accessibility, ensuring brand consistency across digital products.
• Embedded WCAG accessibility standards and collaborated with developers to deliver inclusive, responsive digital products.
• Conducted analytics reviews and competitive audits, making data-driven recommendations for product enhancements.
• Regularly presented findings and facilitated client workshops, building alignment and stakeholder confidence.

MA Creative Digital Media: UX & Interaction Design | Technological University Dublin 2021 – 2022

Professional Diploma in UX Design | UX Design Institute 2020 – 2021

BDes Jewellery Design & Metalwork | National College of Art and Design 2012 – 2016