Senior Flutter Developer (iOS & Android)

We are looking for an experienced Senior Flutter Developer to design, develop, and maintain enterprise-grade cross-platform mobile applications for Android and iOS. The ideal candidate should possess strong expertise in Flutter, Dart, mobile application architecture, native Android development, hardware integrations, design patterns, and Domain-Driven Design (DDD).

This role requires a highly skilled engineer capable of independently leading mobile development initiatives, collaborating with cross-functional teams, mentoring developers, and delivering scalable, secure, and high-performance mobile solutions

Key Responsibilities

Application Development

• Design and develop high-quality Flutter applications for Android and iOS platforms.
• Build reusable, scalable, and maintainable Flutter widgets and modules.
• Translate UI/UX designs into responsive and intuitive mobile experiences.
• Optimize applications for performance, reliability, and scalability.
• Ensure platform consistency across multiple device types and operating system versions.

Architecture & Technical Leadership

• Define and implement scalable mobile architectures using MVVM (Model-View-ViewModel).
• Design applications following Clean Architecture, SOLID principles, and best practices.
• Apply Domain-Driven Design (DDD) principles to create maintainable and extensible solutions.
• Participate in architecture reviews, technical decision-making, and code quality initiatives.
• Mentor junior developers and conduct code reviews.

State Management

• Design and implement application state management using:
  • Provider (Mandatory)
  • ChangeNotifier
  • Dependency Injection patterns

Hardware & Native Integration

• Develop and maintain integrations with hardware devices and peripherals.
• Integrate device capabilities such as:
  • Bluetooth/BLE
  • NFC
  • Barcode/QR Scanners
  • Cameras
  • Printers
  • GPS/Location Services
  • External Hardware Devices
• Troubleshoot issues involving native Android layers and Flutter interoperability.

API & Backend Integration

• Integrate RESTful APIs and third-party services.
• Implement secure authentication and authorization mechanisms.
• Work with offline-first architectures and local data persistence solutions.
• Handle synchronization between mobile applications and backend systems.

Quality & Performance

• Write unit, widget, and integration tests.
• Perform root cause analysis and resolve production issues.
• Ensure high application performance, security, and reliability.
• Implement logging, monitoring, and analytics solutions.

Required Technical Skills

Flutter Development

• Strong hands-on experience with:
  • Flutter SDK
  • Dart Programming Language
  • Flutter Widget Lifecycle
  • Custom Widgets
  • Responsive UI Development

State Management

• Strong experience with:
  • Provider
  • ChangeNotifier
  • Dependency Injection

Architecture

• MVVM Architecture
• Clean Architecture
• SOLID Principles
• Domain-Driven Design (DDD)
• Dependency Injection Patterns

Design Patterns

Strong understanding and practical implementation of:

• Singleton Pattern
• Repository Pattern
• Facade Pattern
• Adapter Pattern
• Factory Pattern
• Strategy Pattern
• Observer Pattern

Native Android Development (Good to Have)

• Kotlin
• Java
• Android SDK
• Android Services
• Platform Channels
• Native Library Integration
• Hardware Device Communication

Data Storage

• SQLite
• Hive
• Shared Preferences
• Secure Storage

API Integration

• REST APIs
• JSON Serialization
• WebSockets
• Firebase Services

Source Control & DevOps

• Git
• Azure DevOps/GitHub/GitLab
• CI/CD Pipelines
• App Store & Play Store Release Management

Preferred Qualifications

• Experience working with hardware-integrated applications.
• Experience in retail, vending, IoT, field service, logistics, or device-driven ecosystems.
• Familiarity with Firebase, Analytics, and Crash Reporting.
• Experience with Agile/Scrum methodologies.

Soft Skills

• Strong analytical and problem-solving abilities.
• Excellent communication and stakeholder interaction skills.
• Ability to work independently with minimal supervision.
• Strong ownership, accountability, and leadership mindset.
• Ability to mentor and guide junior developers.

Nice to Have

• Experience with BLE device integrations.
• Knowledge of iOS native development (Swift).
• Experience with enterprise application security standards.
• Exposure to cloud platforms such as Azure or AWS.

Education

Bachelor's Degree in Computer Science, Information Technology, Engineering, or related field.

Ideal Candidate Profile

The ideal candidate is a hands-on Senior Flutter Developer with strong expertise in Dart, Flutter, Provider State Management, MVVM Architecture, Domain-Driven Design, Design Patterns, and Native Android Hardware Integrations, capable of independently delivering complex enterprise mobile applications for both Android and iOS platforms.