Flutter developer
Yoga Sandhy
Winata
I build mobile apps that help people get things done.
Selected work 02
Apps with a
job to do.
Digital signature · mobile app Android / iOS
eSign Nusawork
The Nusawork e-Sign service, available for signing and managing documents on mobile.
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Public services · mobile app Android / iOS
SUMUT Cerdas
One mobile gateway to public services, regional information, and news for North Sumatra.
Explore project →My approach
Make the next
step clear.
From reviewing a document to accessing a public service, I focus on clear steps and reliable feedback—so people know what to do and what just happened.
More about me