Work

Work

About

About

Resume

Resume

Hello! I'm Ryan Chang.

Product Designer based in Japan, previously in Taiwan and Singapore, with experience in fintech and marketplace products, currently at PayPay PayPay , Japan's leading fintech platform, designing how 65M+ people pay and manage their finances.

Things I build with AI

Things I build with AI

About me

About me

Recently I've been building things with AI

From mentor matching tools to Figma plug-ins, I build with AI to explore what design tooling could look like next. In day-to-day work, I also use it for research synthesis, prototyping, and copywriting.

Claude Code

Claude Code

Mentor Matching Quiz

Mentor Matching Quiz

Built with Claude Code to replace a third-party tool, with more control and lower cost

View Case Study →

Claude Code

Claude Code

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Cursor

Cursor

Illustration Inspector Figma Plug-in

No coding background. Built a Figma plug-in to make illustration QA automated

View Case Study →

What people I’ve worked with say

  • Simon Lin

    Principal Product Designer @Canva

    Ryan is my team member at AAPD, where we teach Figma and UI design. He began as a teaching assistant and quickly advanced to an instructor role, demonstrating strong learning ability, attention to detail, and clear communication. Now, he independently leads projects and works seamlessly with stakeholders, fostering a positive and efficient team dynamic. He’s a reliable and valued collaborator.

  • Kazuya

    Design Manager @PayPay

    Ryan was a key team member during my time at PayPay, where he consistently delivered high-quality designs across multiple projects. As a team member, I saw how well he prioritized tasks, communicated with stakeholders, and ensured smooth progress.

    He also contributed to Design Ops by improving QA processes and accessibility. His professionalism and proactive approach greatly enhanced our team’s effectiveness and design quality.

  • Keith Oh

    Head of Product Design @Carousell

    Ryan was a valued team member who independently led several challenging projects with unclear requirements. He brought clarity through thorough research and tackled problems with patience and a methodical approach. His strong communication skills and collaboration with engineers ensured smooth progress and a positive team dynamic. Yu’s professionalism and reliability made him a trusted contributor.

  • Belissa

    Senior Product Designer @Carousell

    Ryan was a former colleague at Carousell, and I was always impressed by his ability to balance user needs with business goals to deliver practical, thoughtful designs. He encouraged collaboration through pair design sessions and brought a positive, solution-focused mindset to the team. His drive for growth, openness to feedback, and creative energy made him an invaluable teammate.

  • Tom Lee

    QA Engineer Manager @PayPay

    Ryan is a product designer I worked with at PayPay on several QA projects. He showed great professionalism and attention to detail—from pixel checks to process improvements. When design and development misaligned, he calmly found practical solutions with the team. His suggestions for bug fixes and optimizations boosted both product quality and team efficiency. A reliable teammate, Yu consistently raises the standard of any design outcome.

What people I’ve worked with say

  • Simon Lin

    Principal Product Designer @Canva

    Ryan is my team member at AAPD, where we teach Figma and UI design. He began as a teaching assistant and quickly advanced to an instructor role, demonstrating strong learning ability, attention to detail, and clear communication. Now, he independently leads projects and works seamlessly with stakeholders, fostering a positive and efficient team dynamic. He’s a reliable and valued collaborator.

  • Kazuya

    Design Manager @PayPay

    Ryan was a key team member during my time at PayPay, where he consistently delivered high-quality designs across multiple projects. As a team member, I saw how well he prioritized tasks, communicated with stakeholders, and ensured smooth progress.

    He also contributed to Design Ops by improving QA processes and accessibility. His professionalism and proactive approach greatly enhanced our team’s effectiveness and design quality.

  • Keith Oh

    Head of Product Design @Carousell

    Ryan was a valued team member who independently led several challenging projects with unclear requirements. He brought clarity through thorough research and tackled problems with patience and a methodical approach. His strong communication skills and collaboration with engineers ensured smooth progress and a positive team dynamic. Yu’s professionalism and reliability made him a trusted contributor.

  • Belissa

    Senior Product Designer @Carousell

    Ryan was a former colleague at Carousell, and I was always impressed by his ability to balance user needs with business goals to deliver practical, thoughtful designs. He encouraged collaboration through pair design sessions and brought a positive, solution-focused mindset to the team. His drive for growth, openness to feedback, and creative energy made him an invaluable teammate.

  • Tom Lee

    QA Engineer Manager @PayPay

    Ryan is a product designer I worked with at PayPay on several QA projects. He showed great professionalism and attention to detail—from pixel checks to process improvements. When design and development misaligned, he calmly found practical solutions with the team. His suggestions for bug fixes and optimizations boosted both product quality and team efficiency. A reliable teammate, Yu consistently raises the standard of any design outcome.

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© 2026 Ryan Chang

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© 2026 Ryan Chang