2026
Portfolio
Jonathan Tjahjadi
UI/UX designer with a strong passion for creating clean, intuitive digital experiences.
“I love designing and building products from the ground up. Whether it’s an interface or a feature, my goal is to create experiences that feel effortless, thoughtful, and enjoyable.”
Projects
Where Ideas Become Reality
A selection of my best recent projects.
2025
Lantera
UI/UX Design
User Research
Front-end
CBL Framework
A daily logging app that helps caregivers support their elderly with ease. Powered by Apple's latest AI technology to provide data trends, insights, and voice input to make caregiving more organized and effortless.
See Details
2025
EyeRunner
UI/UX Design
iOS Developer
User Research
CBL Framework
A running tracker for iOS and watchOS that shows real-time metrics and heart-rate zones, designed to help joggers understand their performance and improve with ease.
See Details
Contacts
Get in Touch
Whether it’s work or just a hello, I’m just a message away
jonathantjahjadi16@gmail.com
0858-9000-9104