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I’m a Flutter developer with 5+ years of experience building mobile apps from scratch. I specialize in creating clean, maintainable code using BLoC architecture and enjoy working closely with teams to ship reliable features. When I’m not coding, you’ll find me optimizing app performance or writing tests.…

Gumilar Pratama Rusmana

App Developer, Front-End Developer, Back-End Developer, +2

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I’m a Flutter developer with 5+ years of experience building mobile apps from scratch. I specialize in creating clean, maintainable code using BLoC architecture and enjoy working closely with teams to ship reliable features. When I’m not coding, you’ll find me optimizing app performance or writing tests.…

Available to hire

I’m a Flutter developer with 5+ years of experience building mobile apps from scratch. I specialize in creating clean, maintainable code using BLoC architecture and enjoy working closely with teams to ship reliable features.
When I’m not coding, you’ll find me optimizing app performance or writing tests.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Language

Indonesian

Fluent

English

Intermediate

Work Experience

Senior Flutter Developer at Telkom Indonesia

January 1, 2024 - Present

Built and maintained myDigilearn, a learning app used by 24,000 employees across Telkom Group. Developed new features and improved app performance on Android and iOS. Wrote clean, modular code and kept project documentation up to date. Worked with backend and QA teams to ensure features run smoothly.

Senior Flutter Developer at PT GITS Indonesia

January 1, 2022 - January 1, 2024

Built an AAC communication app for users with speech disabilities (online & offline support). Maintained Eiger Outlive, an app for mountaineers with GPS tracking and emergency contacts. Added unit and widget tests to Bukalapak Beedor, reaching 80% code coverage. Followed agile workflows and kept code well-documented.

Mobile Developer at Kinnara Digital Studio

January 1, 2019 - January 1, 2022

Developed Kecak Workflow Mobile and QR Tracking System for internal use. Implemented BLoC architecture across multiple projects for scalable code. Researched and shipped 5 internal mobile solutions. Fixed bugs and improved performance on existing apps.