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Sahibul Nuzul Firdaus

@sahibulnuzulfirdaus

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Full-stack Flutter engineer | iOS, Android & Web | Supabase, Firebase & Go. https://sahibul.dev

Indonesia

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What I'm looking for

Remote Flutter work I can own end to end: production iOS/Android/Web apps, takeovers/refactors, home-screen widgets, Flutter Web editors, and backends (Supabase, Firebase, or Golang APIs).

I work async — written English, tickets. Open to full-time remote or freelance. Not a fit for live English-only standups or ticket-only UI work without ownership.

Full-stack Flutter engineer (5 years) shipping production apps on iOS, Android, and Web — plus the backends behind them (Supabase, Firebase, Golang).

I own work from architecture through release: new apps, takeovers, refactors, home-screen widgets, and Flutter Web editors. Client work includes a visual workflow studio (DAG pipelines, Deno sandbox, realtime collab), Cardx (Flutter + Go), and Musopen Practice (WidgetKit, Glance, Live Activities). Personal: Nourdaily, a Flutter content platform for the Muslim community.

I work remotely and async. Based in Indonesia.
Open to remote roles and freelance.

Portfolio: https://sahibul.dev

Experience

Work history, roles, and key accomplishments

Current

Full-Stack Flutter Developer

Current

BonkBytes

Jan 2024 - Present (2 years 9 months)

• Architected a Flutter Web visual workflow studio (102K+ LOC) from an empty scaffold: 18-policy canvas, 20+ node types, subflows, and live multi-user presence.
• Built 5 Deno edge functions with a JS isolate sandbox, SSRF guards, YAML workflow blueprints, DBML ERD sync, 38 Postgres migrations, and 545 tests on AWS S3/CloudFront.

Flutter Dart Web Supabase PostgreSQL TypeScript Deno Canvas Apps AWS CI CD Pipelines

Senior Flutter Dev

Musopen

May 2024 - Jul 2025 (1 year 2 months)

• Shipped iOS WidgetKit and Android Glance home widgets plus Dynamic Island / Live Activities with lock-screen timer drift correction for Musopen Practice (practice companion, not a listening catalog).
• Built the practice session engine: timer, metronome, waveform recording, S3 attachments; HTTP/2 networking and POM integration tests.

Flutter Dart iOS Android XCode Cursor REST APIs Sentry

Flutter Developer

DrugLift

Jun 2023 - Jun 2024 (1 year)

• Redesigned the DrugLift Flutter driver app (last-mile pharmacy courier handheld): 4-tab shell, design system, shimmer loaders, Flutter 3.10.6.
• Built a Hive offline sync queue for signatures, photos, and failed-delivery retries; shipped GetX localization (260+ strings).

Flutter Dart Localization Android iOS Hive GetX Bar Code Scanning QR Scanning

Software Developer

S2bc Studios

Nov 2022 - Dec 2024 (2 years 1 month)

• Built Cardx (appcardx.com): Flutter iOS/web + Golang APIs for collections, wishlist, comments, and eBay marketplace search.
• Integrated Redis caching, PostgreSQL, Supabase, and sales-history crawlers.

Flutter Dart iOS JWT Redis PostgreSQL Heroku Go Google Sign In CI CD Web Supabase Firebase Crawlers Deep Linking

Software Developer

Kopwar

Jul 2022 - Oct 2022 (3 months)

• Built e-commerce mobile flows with realtime in-app messaging (Flutter + Socket.io).
• Collaborated with design and backend teammates on API integrations and UI.

Flutter Socket.IO Dart Android iOS REST APIs