Flutter Developer

1 week ago

Bangkok, Bangkok, Thailand The Sustainity Full time

Tech Stack:

  • Frontend: Flutter Dart)
  • Backend: Python FastAPI + MSSQL
  • Target: iPad (iOS 16.4+)
KEY RESPONSIBILITIES
  • Develop cross-platform Flutter application optimized for iPad
  • Implement Bluetooth integration with medical thermometers (flutter_blue_plus)
  • Build offline-first architecture using SQLite records local storage)
  • Integrate QR code scanning for authentication and patient identification
  • Implement cloud synchronization with conflict resolution
  • Create data visualizations (charts, graphs) using fl_chart
  • Generate PDF/CSV reports and implement AirDrop sharing
  • Implement role-based access control (5 user roles)
  • Write unit tests and widget tests
  • Coordinate with Python backend developer on API integration
  • Deploy to App Store
REQUIRED QUALIFICATIONS

Technical Skills:

  • 3+ years of Flutter development experience
  • Strong Dart programming skills
  • Experience with SQLite/sqflite for offline storage
  • REST API integration experience
  • State management (Provider, Riverpod, Bloc, or GetX)
  • Git version control proficiency
  • Understanding of responsive UI for tablets

Language Requirements:

  • Thai language: Native level (required for team communication)
  • English: Fluent (written and spoken - for documentation and technical coordination)

Work Authorization:

  • Must have Thai work authorization (no visa sponsorship available)
  • Available full-time on-site in Bangkok (Lat Phrao/Ratchada area)
PREFERRED QUALIFICATIONS
  • Bluetooth integration experience (flutter_blue_plus or similar)
  • Healthcare/medical app development experience
  • iPad-specific Flutter development
  • Offline-first architecture with sync conflict resolution
  • Multi-language app development (i18n/l10n)
  • QR code scanning implementation
  • Chart/data visualization experience
  • PDF generation in Flutter
  • Experience working with international teams
APPLICATION QUESTIONS

Please answer these questions when applying:

  1. Flutter Experience:

  2. How many years of Flutter development experience do you have?

  3. Link to 2-3 Flutter apps you've built (App Store/Play Store links or GitHub)

  4. Bluetooth & Offline:

  5. Have you worked with Bluetooth in Flutter? If yes, describe the project.

  6. Describe your experience building offline-first apps with sync.

  7. State Management:

  8. Which state management solution do you prefer and why?

  9. Availability:

  10. Can you start in December 2025?

  11. Can you commit full-time for 6 months?
  12. Are you comfortable working on-site in Bangkok (Lat Phrao/Ratchada)?

  13. Language Skills:

  14. Rate your Thai proficiency: Native / Fluent / Conversational

  15. Rate your English proficiency: Fluent / Conversational / Basic
  16. Have you worked with English documentation/APIs before?

  17. Salary Expectation:

  18. What is your expected monthly salary?

  19. Are you open to contract-based work (6 months)?

  20. Technical:

  21. Have you published apps to App Store? Familiar with submission process?

  22. Experience with SQLite in Flutter? (sqflite package)
  23. Have you worked with REST APIs? Describe your approach.

  24. Portfolio:

  25. GitHub profile link (required)

  26. Portfolio website (if available)
  27. LinkedIn profile

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