Don Mullen

Don Mullen

UX/UI Designer in Ireland, He/Him


Irish living in Malta.

Currently designing enterprise products at SmartCow, an artificial intelligence company.

Work Experience

2021 — Now
Senior UI/UX Designer at SmartCow

As a Senior UI/UX Designer, I collaborate with cross-functional teams to deliver exceptional user experiences across SmartCow's products and marketing channels. I lead and develop the internal product design team, overseeing hiring, standardizing workflows, and managing team capacity. Additionally, I spearhead UX initiatives from inception to completion, utilizing design-thinking methodologies, conducting UX research, and ensuring usability and accessibility in our enterprise software products.

2019 — 2021
Freelance Product Design at Freelance

I worked directly with clients to define requirements, key metrics, and develop strategies to achieve their goals, while designing and developing both low and high-fidelity wireframes and prototypes using tools like Figma, Framer, XD, and Webflow. I designed, developed, and launched business and e-commerce websites focused on increasing engagement, acquisition, and lead generation through strong SEO and analytics performance. Additionally, I developed various assets, provided UX design insights, and enabled multiple businesses to enhance their online presence.

2020 — 2021
Account Manager at TW International Ltd

I led projects focused on launching new business ventures, optimizing processes, and introducing new client services, working closely with the operations and managing directors. My responsibilities included defining requirements, planning and tracking projects, creating milestones and KPIs, and designing and implementing new operational processes. Additionally, I sourced vendors, created technical documentation, provided high-level reports to stakeholders, designed an e-commerce business, created marketing materials, and executed advertising campaigns.

Side Projects


A conceptual case study on creating web app version of the MidJourney experience, adding some extra functionality along the way.


2022 — 2022
Professional Certificate Product Management at University of Maryland (Via EdX)
2021 — 2022
Professional Certificate in Project Management at Google (via Coursera)
2021 — 2022
Professional Diploma in Fintech at University College Dublin
2018 — 2019
MSc, Design Innovation at Loughborough University London
United Kingdom
2014 — 2018
BSc, Product Design at Technological University Dublin