Hello! I am Ivan Chang,

A digital product designer and builder

Originally from Taiwan and currently based in Hong Kong. In the past 4.5 years, I mainly work on B2B and internal tools with global teams across time zones, with the focus on mobile experiences. Some clients I have worked with include Pernod Ricard, Swire Coca Cola Taiwan, Bakehouse.

Designing digital products that empower people, streamline processes, and elevate business

My work spans mobile app and web app — from B2B tools, internal apps to scalable design systems, where design drives positive changes.

Designed and built poll web app for Coca Cola's event

A poll web app for the public to experience a physical education campaign. 91.3% key flow conversion rate with 4,000+ votes captured.

Designed Global Clienteling Mobile App from 0 to 1

A clienteling app for Pernod Ricard's Private Client Managers of prestige business across 1.5 years. 66% of monthly active users with 12 markets rolled out.

Planned and delivered design system for a website covering six markets

Designed and implemented a design system with 38 components and documentation to enhance collaboration and design consistency for a website under Pernod Ricard.

Revamped wholesale ordering web app with usability testing before official launch

Enhanced ordering flow with insights from usability testing to ensure smooth roll-out.

Let's connect!

Ivan Chang

Made with passion 🔥

Last update: Sep 2026

Let's connect!

Ivan Chang

Made with passion 🔥

Last update: Sep 2026

Let's connect!

Ivan Chang

Made with passion 🔥

Last update: Sep 2026