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Learning Something New
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Learning Something New

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JoshBowdenConcepts/README.md

Hi, I'm Josh Bowden 👋

Technical Lead & Engineering Mentor · Design Systems · Accessibility

Greater Boston · He/Him

I build design systems that scale — token architecture, component libraries, CI/CD, visual regression testing, and WCAG AA accessibility — and help teams adopt them with clarity and confidence.

Portfolio LinkedIn Email Stack Overflow


Currently

Senior Software Engineer II, Design Systems @ American Express — Global Dining

Technical lead for a net-new design system powering a large product refresh. I own token architecture across four major products, Storybook environments, CI/CD pipelines, automated icon workflows, custom visual regression testing, and the governance that helped drive 89% adoption across engineering.

Previously on the Tock design systems team at Amex, where I pitched and shipped a custom token system adopted org-wide in Q4 2024.


Where I've made impact

Company Role Highlights
American Express Sr. Software Engineer II, Design Systems 89% DS adoption · unified tokens across 4 products · custom visual regression testing
ADPList Engineering Mentor Top 1% mentor · coached engineers into senior roles & first jobs
GitHub Sr. Software Engineer, Design Systems Primer roadmap · 12-column Grid · asset governance · WCAG AA fixes
CarGurus Sr. Software Engineer, Design System MUI → custom system migration · component library · DX tooling
Cylindo Software Engineer 3D config platform integrations · internal tooling · sales engineering

Selected writing

Case studies and deep dives from the work above — token systems, theming, asset libraries, and visual testing:


What I care about

Design systems that teams actually want to use
Accessible UI by default, not as an afterthought
Token architecture as a single source of truth
Mentorship, alignment, and engineering leadership

"Don't repeat yourself" led me to reusable components — paired with a fascination for design and usability, that became design systems.

Featured on Primer · ADPList Top 1% Mentor


Toolbox

TypeScript React Storybook Next.js Figma GitHub Actions Jest Swift Accessibility


Open to conversations about design systems, accessibility, and engineering leadership.
Say hello →


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