Software Engineer
Building high-performance Android apps with clean architecture and great UX.
About me
Software Engineer specializing in mobile, currently at SmartNews in Tokyo. Previously worked at Tokopedia on content creation features. CS graduate from Bina Nusantara University, majoring in Computer Science with a minor in AI. Google Certified Associate Android Developer and former Google DSC Lead.
Career
SmartNews
Tokyo, JapanWorking on the SmartNews Android app, a news aggregation and discovery platform.
Tokopedia
Jakarta, IndonesiaWorked on content creation features — live streaming, feed posts, short videos, and stories. Also worked on Jetpack Compose adoption and screenshot testing.
Worked on Tokopedia Play (live streaming) and feed content creation. Implemented SSE for real-time updates and Chromecast support. Also worked on the user profile page and media upload flow.
PARKEE
Jakarta, IndonesiaWorked on the Parkee customer app. Built On-Street parking, SSO, and Quickbook features.
Bina Nusantara University — IT Division
Jakarta, IndonesiaWorked on Binus Mobile for Student and Binus Mobile for Lecturer. Handled mobile development and API integration.
Worked on Binus Mobile for Student and Binus Mobile for Lecturer.
Worked on internal web applications — Keuskupan Agung Jakarta Pelayanan website, ASAK website, and HRMS.
by.U
Jakarta, IndonesiaBuilt Salvo Tools for Android and a web dashboard for internal use.
Find me online
I share what I build and learn — from Android deep-dives to life in Tokyo.
GitHub
jonathandarwin
Android projects, open-source tools, and personal experiments.
jonathandarwin
Professional profile, career updates, and industry posts.
Medium
@jonathanjojo38
Articles on Android development, architecture, and tech insights.
TikTok
@jonathandarwinn
Short-form tech videos, Android tips, and life in Japan.
Get in touch
Whether you have a project idea, want to collaborate, or just want to chat about Android, AI, or sim-racing — my inbox is open.
jonathandarwin.jd@gmail.com