$1.2M/mo
Grew Bubbly Belle from zero to $1.2M in monthly revenue as the sole designer, owning every touchpoint from brand to checkout.
James Hanratty is a hands-on design leader who builds products people love to use.
Senior UX Leader and Product Designer with 18 years of experience turning ambiguity into measurable business impact. I design AI-powered products, drive conversion-focused growth, and lead high-performing design teams.
117%
Conversion rate lift on key e-commerce funnels through systematic UX optimization, research, and iterative A/B testing.
+46 NPS
Net Promoter Score improvement at ESAB through research-grounded design, clearer IA, and faster task completion across a global platform.
How I lead
I'm a player-coach. I'm in the work with my team, not above it. I believe the best leaders create conditions for their people to do the best work of their careers, then trust them to do it.
Read moreProblems I solve
From AI products and enterprise platforms to e-commerce conversion and design org leadership, I specialize in making complex things feel simple. I build scalable systems and ship work that actually moves the needle.
Read moreLab
These are my experiments in code and craft. I've been building on the web for 18 years and I'm not about to stop. This is where I explore what interests me: AI workflows, side projects, things with no client brief.
See work