My love tackling complex problems. This means I prefer working on feature-rich products, like internal enterprise software, SaaS or professional tools.
I would also love to continue to work with companies who are either AI first or implementing AI into their products.
So that's it, challenging, impactful work with great people.
Donnachadh Mullen
@donmul
Product Designer - Focused on B2B, SaaS and Enterprise products
What I'm looking for
I'm a product designer with over 5 years of experience specializing in enterprise AI and developer tools. Currently at Workhuman, I focus on integrating AI features into core product experiences impacting millions of users daily.
My expertise centers on transforming complex technical systems into intuitive interfaces for expert users. I excel at bridging technical complexity with user needs, designing everything from real-time monitoring dashboards to developer workflow tools. My technical background in HTML, CSS, and JavaScript helps me collaborate effectively with engineering teams and understand implementation constraints.
I have strong leadership experience, having built design teams while implementing standard processes and mentoring junior designers. I also built and maintained design systems alongside FE engineers.
My educational background includes an MSc in Design Innovation from Loughborough University London and professional certifications in Product Management and Fintech. I'm particularly drawn to roles combining complex problem-solving with measurable business impact, whether improving developer workflows, enhancing data visualization, or creating AI-powered user experiences.
Outside work, I’m obsessed with rugby, tinkering with tech and reading sci-fi book series. I'm passionate about creating products that make sophisticated technology accessible to the people who depend on it most.
Experience
Work history, roles, and key accomplishments
Product Designer
Workhuman
Feb 2025 - Present (5 months)
As a Product Designer at Workhuman, I design AI-enhanced user experiences for core product features, conduct user research to validate concepts, and collaborate with product and engineering teams to solve complex problems where solutions aren't immediately obvious, impacting millions of users in workplace recognition technology.
Senior UX/UI Designer
SmartCow
Sep 2021 - Jan 2025 (3 years 4 months)
As a senior UX/UI designer, I crafted intuitive interfaces for complex AI-driven products, led design system development, conduct user research, and collaborated with cross-functional teams to deliver polished, user-centric solutions for enterprise and B2B clients.
Freelance Digital Designer
Freelance
Aug 2020 - Sep 2021 (1 year 1 month)
I worked freelance design projects in the Covid lock-downs. Most of my projects were websites and digital marketing for SME clients in Ireland who were trying to get online during the pandemic.
Account Manager
TW International
Mar 2020 - Sep 2021 (1 year 6 months)
Reporting directly to the operations director and managing director, I led multiple projects including launching new business ventures, optimizing existing processes and introducing new client services.
My role primarily involved project planning and tracking, creating and measuring milestones, critical paths and KPIs, resource and personnel management and communicating directly with clients
Education
Degrees, certifications, and relevant coursework
Loughborough University London
Masters of Science, Design Innovation
Grade: 1.1
University College Dublin
Professional Diploma, Fintech
Technical University Dublin
Bachelors of Science, Product Design
Grade: 2.1
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Website
don-mullen.comSalary expectations
Social media
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