UX/UI Designer · Melbourne
Jeffrey Ko
I design products that are easy to use and I sit with engineering without a translator.

Work
Newspaper delivery, redesigned so drivers start a run in two steps — with the map, the list, and proof-of-delivery on the right stop.
Login-to-route is 2 steps instead of 4.
A Three.js island where every project is labelled in the scene — visitors know what they are looking at without opening a menu.
4 labelled landmarks. One look, no extra click.
One app that pays every street-parking operator, so drivers stop installing a new parking app for every street.
Setup once. Paying is 3 taps — not a fifth app.
Most finance apps tell you what you spent. Sigma tells you what you can spend — before you spend it.
Every payment is 1 tap to approve or reject.
Born in Indonesia, now designing in Melbourne. I studied IT at the University of Ciputra and finished a Master of IT at Kaplan Business School.
At the Apple Developer Academy I was product manager and iOS developer on Readdy, a team app that helps people with dyslexia read. Then I was a Product Owner at Bank Central Asia, working with designers, engineers and the business every day. That is why I can work with developers and PMs without a translator.
Fun fact: I also make music live on the spot using a loop station.
About
Beyond design
Live looping music I make on the spot.
Connect
Hiring for a UX/UI or product design role? Email me at jefpkos@gmail.com.



