Investor Portfolio
Enhanced to make tracking portfolio performance easier, whether it's on current portfolio holdings or all-time, giving insights to the investors on their profit or loss.
Hi
there!
I'm Sim Jun Han
A lead product designer who cares about crafting functional and beautiful designs that people enjoy.
Hello
For the past 10+ years, I designed end-to-end product experiences and led design teams in banking/fintech industry, for ADDX, GXS Bank, DBS Bank and iMoney. Experienced in design leadership, design systems and DesignOps. Now actively integrating AI into design and development workflow. Currently based in KL, Malaysia.
Works
Snapshot 2025
Designed the "year-in-review" slideshow for active investors, a visualized way to look back to their portfolio performance for the year 2025.
ADDX Landing Pages
Renewed ADDX website's key landing pages with streamlined storytelling and content, including Home, Inside ADDX, and Asset Classes.
GXS FlexiLoan
Led 0 → 1 design for FlexiLoan — the product issued over 100,000 loans in under a year and helped users save S$4 million in interest.
Side works
Line screen halftone
Inspired by book cover of "Poor Charlie's Almanack", I vibe-coded a line screen halftone generator using Claude Code and Cursor.
Fonts
Designed and released free fonts with over 10,000 downloads to date, and continuing to explore type design with Glyphs 3.
Sunny mode
A mood-based UI experiment exploring warm, sun-drenched color palettes and how emotional design can shift user experience.
Writing
I share my design thinking, curations, aesthetic taste, and industry observations through long-form essays on Medium and Substack.
Selected articles
- I tried Paper with Claude Code
- 6 web design styles that are uniquely Japan
- On designing beautiful products
- Web design trend: bento box
- Designing for banking product is both exciting and hard
- My experience as product designer for a new digital bank vs incumbent bank
- Tips on becoming a better product designer in the financial industry
More about myself
- Started my career when IE6 was still the dominant browser.
- First Apple device was iPod Touch first gen.
- Avid runner with 9 marathons in the bag. Personal best was 3:18 in Osaka Marathon 2026.
- Introvert.
- With AI, I'm more excited than ever to be a designer.
Get in touch!