Hi, I'm Ke Er

I design clarity into complex flows.

Product Designer based in Singapore, focused on end-to-end journeys, accessibility, and shipping AI-assisted tools for government and enterprise.

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AI-Assisted Police Report Lodging

Home Team Science & Technology Agency (HTX) × Singapore Police Force

An AI chatbot that guides citizens through police report lodging, cutting submission time by 75% and scoring 5.3/6 in usability testing.

Password protectedPublic-facingConversational UIAI/Chatbot

Connecting Seniors to Digital Helpers

Silver Online Service

A mobile platform connecting elderly users with volunteer smartphone helpers — research-led, accessibility-first design for a community support app.

Mobile UISocialPersonas

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About

Product Designer based in Singapore with a background in architecture — I bring systems thinking and spatial logic to digital products, from mapping end-to-end service journeys to designing for users who aren't tech-savvy.

More about me

Product Design
UX Research
Interaction Design
Service Design
Usability Testing
Heuristic Analysis

Let's work together.

Open to product design roles on meaningful, complex problems — especially in public sector, government-adjacent, or AI-native products.

Get in touch