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FinTech Design System
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Component Library for FinTech

Three internal banking products had developed their own versions of the same UI components — including buttons, forms, and tables — each with subtle differences in behavior and accessibility. This project unified them into a single library of reusable, documented, and accessible components, providing all three teams with a common foundation for building consistent user experiences.

Role

UX/UI Designer

Year

2018

Platform

Design system

Team

1 designer · 1 engineer

The challenge

The three product teams were maintaining nearly identical UI components with different implementations, leading to inconsistencies, duplicated QA and accessibility efforts, and increased release risk.

Challenge
Challenge and solution section showing how fragmented components were consolidated into one accessible system.

The approach

I audited the existing components, consolidated duplicate patterns into a shared component library, and created clear documentation and usage guidelines. Each component was designed for reuse, consistency, and accessibility compliance, ensuring that future development started from the same standards.

Screen Reader Support
Accessibility checklist covering semantic HTML, ARIA attributes, screen-reader support, and automated testing.
Component Compliance
Assistive technology and testing tools used to validate keyboard navigation, contrast, and touch targets.
Components Buttons
Button documentation with usage guidelines, variants, sizes, icon buttons, and code examples.
Components Form
Form component documentation covering inputs, textareas, dropdowns, labeling, validation, and ARIA support.
Components Tables
Data table documentation with sortable columns, semantic markup, accessibility notes, and implementation examples.
Accessibility Standards
Accessibility standards page documenting WCAG contrast, focus indicators, keyboard navigation, and component requirements.

The outcome

The shared component library reduced duplicated effort across teams, accelerated feature development, and delivered a consistent experience across all three products. Accessibility compliance became a built-in property of the library rather than something each team had to validate independently for every release.

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