Enterprise UX/UI Complex workflows, self-service portals
Web & Mobile Responsive systems, mobile-first
Accessibility WCAG-driven, regulation-aware design
Design-to-Dev thinking Tokens, components, dev-ready thinking

Hi, I am

YI CHANG

PRODUCT DESIGNER

Built & scaled
3 Design Systems

Data-heavy &
Decision-critical
UX design

8 years in SaaS B2B

Case study

 Design real-time intraday adherence monitoring
Real-time monitoring Decision support Dashboard Web
Design real-time intraday adherence monitoring
Problem

Turned raw intraday activity data into actionable deviation signals

Impact

Strengthened WFM product with intraday capabilities

For user

Clear, faster operational decisions for team leads

Helping team leads detect and act on schedule deviations in a data-dense WFM environment.

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Design mobile time recording as an intraday assistant
Intraday execution Self-service WFM Mobile+desktop
Design mobile time recording as an intraday assistant
Problem

No effective solution for interrupt-driven intraday scenarios

Impact

100% adoption where no external system existed

For user

faster, low-attention activity tracking in real scenarios for agents

Design a mobile time recording enables real-time activity tracking and schedule awareness for agents away from the desk.

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Iterating a DataView pattern in a SaaS design system
Fragmented views Design system pattern Web
Iterating a DataView pattern in a SaaS design system
Problem

Fragmented views in data-heavy SaaS products

Impact

Accelerated delivery of data-heavy views

For user

Exploring data intuitivly across views

Design and iterate a shared DataView pattern that designers and engineers could reuse consistently—both visually and in code.

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Show Case

Design agentic AI as a system actor
Agentic AI adoption AI product design Web
Design agentic AI as a system actor

Bridging technical intelligence and real user workflows through progressive entry and readability-first design.

Role-based and customizationable navigation & dashboard design
Navigation complexity Dashboard design Web & Tablet
Role-based and customizationable navigation & dashboard design

Redesign navigation and dashboard to support role-based access and customization.

Compensation UX: clarity through comparison
Complex compensation logic Data visualization Web
Compensation UX: clarity through comparison

Structured complex compensation data into a comparison-first experience that improves clarity and trust.

Relational UX: aligning strategy across people
Goal alignment complexity Interaction design Web
Relational UX: aligning strategy across people

Designed a progressive interaction model clarifying cross-level goal relationships at scale.

Design a portfolio website as a digital product
Portfolio communication Design & deploy Web
Design a portfolio website as a digital product

Ideas behind designing this portfolio website, it communicates my design philosophy and process.

Design and implement animation
Interaction design Design & deploy
Design and implement animation

It shares my approach to designing and implementing animations in digital products.

Contact

Portrait of Yi Chang
Yi (Yina) Chang
Düsseldorf, Germany