Zubascu I.
Cluj-Napoca, Romania
100%
Job Success
Expert Flutter Developer
$40.00/hr
🚀 Helping businesses build high-performance Flutter apps with clean code & scalable architecture.
I’m a Senior Flutter Engineer with 4+ years of experience delivering high-quality mobile apps. I specialize in both front-end and back-end Flutter development, ensuring seamless performance, great UI/UX, and maintainable code.
My areas of expertise include:
✅ Flutter Development – State management expertise with Bloc, Redux, Provider, Mobx, RxDart, GetIt
✅ Backend & Cloud Services – Firebase (Firestore, Functions, Authentication, Messaging) & Google Cloud Platform (GCP) with TypeScript
✅ Scalable Architecture – Clean Architecture, Unit & Integration Testing, JWT Authentication.
✅ Performance Optimization – Reducing app crashes, improving speed, and enhancing UI/UX.
I take pride in delivering clean, maintainable code and working closely with clients to turn their vision into a successful, high-performing app.
💬 Let’s discuss how I can help build your app!
Work history
Work history
Flutter Developer for iOS Screen Block App
Apr 2, 2024
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Sep 3, 2024
"Zubascu is amazing to work with! We are continuing to work with him on other projects!"
Private earnings
Flutter dev for an existing streaming app
Feb 21, 2024
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Mar 19, 2024
"thanks"
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Flutter mobile app using Adobe XD design
Feb 14, 2022
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Mar 14, 2024
No feedback given
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Mobile Application for energy data
Apr 14, 2022
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Mar 14, 2024
No feedback given
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Senior Flutter Developer iOS and Android
Sep 5, 2023
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Feb 29, 2024
"great to work with! we will be back with more projects!"
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Flutter App development
Dec 9, 2023
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Feb 29, 2024
"amazing to work with! excited for future opportunities with Zubascu!"
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Flutter Android/IOS App Development
Sep 21, 2022
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Nov 24, 2023
No feedback given
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Flutter Developement for a Breathing Mobile App
Dec 6, 2022
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Jun 26, 2023
"Everything was very smooth, He understood the project immediately and deliver the project very fast. I really recommend him."
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Cross Platform Mobile App Developer
Apr 12, 2022
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Mar 23, 2023
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Build responsive screens/widgets for a Flutter PWA
Feb 6, 2022
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Apr 14, 2022
"Zubascu is honestly the best freelancer I have worked with so far. The communication was easy and always on point. He completed all the tasks fast and as expected. I…
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Flutter Developer Mobile App
Mar 14, 2025
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Present
Job in progress
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Flutter App development
Jun 1, 2024
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Present
Job in progress
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Senior Flutter Developer iOS and Android
Mar 3, 2024
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Present
Job in progress
Private earnings
Flutter App development
Feb 29, 2024
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Present
Job in progress
Private earnings
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Skills
Skills
- Hybrid App Development
- Flutter
- Firebase
- Dart
- Android
- iOS
- API Integration
- Push Notifications
- Android App Development
- Mobile App Development
- iOS Development
- Google Cloud Platform
- Mobile App
- Node.js
- Front-End Development