I’m Cath Macaulay, a principal-level product designer with 15+ years of experience.
I lead complex projects and build design systems. I also help organisations make confident decisions in regulated and high-risk environments.
Former first design hire. Experienced in working with compliance, risk, and senior stakeholders in FCA-regulated environments.
I use behavioural UX, accessibility, and systems thinking to help teams simplify high‑stakes decisions and bring clarity to ambiguity in fintech and beyond.
A snapshot of projects where design judgement, systems thinking, and collaboration mattered most.
Designing for scale
Building a scalable design system from a basic MUI foundation to a multi-product, token-based architecture aligned with Storybook.
Designing a payments app from the ground up
Leading end-to-end design of a multi-platform Open Banking payments app from concept to launch.
Surfacing value earlier in the onboarding journey
Redesigning an onboarding experience to deliver a personalised financial snapshot at the end of the flow, closing the gap between user effort and meaningful reward.