I’m a UX Designer with 2.5 years of agency experience delivering research-driven, user-centred digital products. I thrive in collaborative environments and enjoy leading discovery, mapping complex journeys, and turning insights into intuitive solutions that support both user and business goals. My background also includes running a jewellery startup and digital design, which gives me a strong foundation in prototyping, iteration, and attention to detail. I bring these skills into my UX work to create inclusive and accessible digital experiences.…

Karen O’Sullivan

I’m a UX Designer with 2.5 years of agency experience delivering research-driven, user-centred digital products. I thrive in collaborative environments and enjoy leading discovery, mapping complex journeys, and turning insights into intuitive solutions that support both user and business goals. My background also includes running a jewellery startup and digital design, which gives me a strong foundation in prototyping, iteration, and attention to detail. I bring these skills into my UX work to create inclusive and accessible digital experiences.…

Available to hire

I’m a UX Designer with 2.5 years of agency experience delivering research-driven, user-centred digital products. I thrive in collaborative environments and enjoy leading discovery, mapping complex journeys, and turning insights into intuitive solutions that support both user and business goals.

My background also includes running a jewellery startup and digital design, which gives me a strong foundation in prototyping, iteration, and attention to detail. I bring these skills into my UX work to create inclusive and accessible digital experiences.

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Skills

Experience Level

Figma
Expert
Adobe Illustrator
Expert
Adobe Photoshop
Expert
Adobe XD
Expert
UI
Expert
Sketch
Expert
Framer
Intermediate
Adobe After Effects
Intermediate
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Work Experience

UX/UI Designer at Friday Agency
May 30, 2025 - August 10, 2025
Designed end-to-end digital experiences for clients across sectors including healthcare, eCommerce, and education, using research, strategy, and design to solve complex challenges. Led research-driven design for responsive websites and mobile apps, conducted interviews, surveys, journey mapping, and usability testing to define use cases and requirements, translating insights into user flows, wireframes, and information architecture. Created mobile-first prototypes in Figma for usability testing and reviews. Delivered WCAG-compliant UI components within a scalable design system, ensuring consistent typography, colour palettes, and iconography aligned with brand guidelines. Applied design thinking to shape design direction and content strategy, improving feature discoverability and achieving up to 3× conversion growth. Integrated accessibility best practices throughout design to meet WCAG standards.
Jewellery Designer at Karen O’Sullivan Design
July 31, 2020 - August 11, 2025
Ran a small jewellery startup, designing 3D-printed pieces. The brand earned international recognition, including a showcase at Milan Fashion Week. Conducted visual and market research to inform design direction by exploring trends, user preferences, and materials. Explored form and structure through low-fidelity prototypes, refining designs before producing final high-fidelity models. Worked continuously with peers and customers to refine wearability, aesthetics, and function.
Digital Designer at BYOS - Melissa Curry
September 29, 2016 - August 10, 2025
Led the development of production-ready jewellery designs, from concept to final CAD files. Conducted continuous iteration to ensure precision and readiness for mass production. Translated initial sketches into polished designs by exploring form, scale, and material constraints. Developed designs to production-ready stage and managed 3D printing and casting prototypes, reviewing physical outcomes to improve quality. Collaborated closely with the brand owner balancing creative vision and production constraints.

Education

MA Creative Digital Media: UX & Interaction Design at Technological University Dublin
January 1, 2021 - December 31, 2022
Professional Diploma in UX Design at UX Design Institute
January 1, 2020 - December 31, 2021
BDes Jewellery Design & Metalwork at National College of Art and Design
January 1, 2012 - December 31, 2016
MA Creative Digital Media: UX & Interaction Design at Technological University Dublin
January 1, 2021 - December 31, 2022
Professional Diploma in UX Design at UX Design Institute
January 1, 2020 - December 31, 2021
BDes Jewellery Design & Metalwork at National College of Art and Design
January 1, 2012 - December 31, 2016

Qualifications

Add your qualifications or awards here.

Industry Experience

Healthcare, Retail, Education, Consumer Goods, Professional Services
    paper Designing Peace of Mind at a Glance
    HaloCare supports older adults and people with disabilities or long-term illnesses to live safely and independently at home. Their non-invasive technology allows care teams to monitor wellbeing remotely, detecting falls and other concerns without compromising privacy. Ahead of rapid growth in Ireland’s public healthcare system, HaloCare partnered with us to research and redesign their Companion App to ensure it meets users' real needs. Read the full case study on my portfolio site: https://www.twine.net/signin uxdesign userexperience uxresearch userresearch uidesign healthtech…
    uniE621 Polishing the Overjewels Experience
    Overjewels is an eCommerce platform that connects Italian jewellers with customers worldwide. As the site prepared for expansion, it needed a refreshed visual direction and scalable interface to support a growing number of product lines and brand partners. I redesigned the platform as part of my master’s degree, focusing on clarity, luxury appeal, and cross-device performance. View the full case study here: https://www.twine.net/signin uxdesigner uidesigner webdesigner userresearch ux…
    uniE621 Scalable Design for a Growing Care Platform
    OneTouch is a comprehensive Care Management ecosystem that enables care providers to manage all of their operational needs in one place. To support their growth and better reflect their leadership in healthcare technology, OneTouch partnered with us to redesign their website with a focus on intuitive UX and a visually cohesive UI. Read the full case study here: https://www.twine.net/signin uxdesign uidesign userresearch uxresearch branding…
    uniE621 A Smarter Way to Share Their Day
    Kiddi Carru is a nursery group offering early years education and care. To replace their paper-based daily diary system, they needed a secure, easy-to-use app that would strengthen communication between carers and families. I designed a digital solution that made updates easier to log and more meaningful for parents, as part of my master's degree project. Read the full case study here: https://www.twine.net/signin uxdesigner uidesigner productdesigner uxresearch…
    uniE621 Improving the visibility of recurring outgoing payments
    This project was part of a 4-month mentorship programme with UXTree, focused on identifying and solving a real-world UX problem. I chose the Permanent TSB mobile banking app, where users had no way to view or manage their recurring payments. This was leading to missed charges, overdrafts, and frustration. While other banks were starting to address this issue, Permanent TSB had no such functionality in place. Read the full case study here: https://www.twine.net/signin uxdesigner uidesigner webdesigner…