Senior Flutter Developer

Description
Job Overview :
We are seeking a Senior Flutter Developer with proven hands-on experience building and deploying production-grade applications across Android, iOS, Web, and Windows using Flutter. This role demands a strong understanding of cross-platform development principles and a commitment to delivering high-quality code and exceptional user experiences.

As a key member of our team, youll lead cross-platform initiatives, mentor junior developers, and collaborate with designers and backend engineers to develop scalable and performant applications.

Role & Responsibilities
Flutter & Dart Expertise :

• 3+ years of experience building robust Flutter applications in production.
• Deep understanding of Dart language features like Futures, async/await, Streams, extension methods.
• Advanced Flutter widget knowledge : Stateless, Stateful, InheritedWidget, and custom widgets.
• Strong grasp of Flutter UI rendering, widget lifecycle, composition, and responsive layouts.

Cross-Platform Application Development (Android, IOS, Web, Windows)

• End-to-end experience in developing and deploying cross-platform apps using Flutter
• Android : Support for multiple API levels, deep linking, background services, and intent handling.
• iOS : Integration with platform-specific APIs (camera, push notifications, location), App Store deployment, provisioning, and build configurations.
• Web : Flutter Web optimization, responsiveness, web-specific routing, PWA support, and asset management.
• Windows (Desktop) : Experience building Windows apps using Flutter, working with file system APIs, packaging using MSIX.

Advanced Modularization & Play Feature Delivery

• Experience building modular Flutter applications for Android using :
• Play Feature Delivery / Play Asset Delivery (PAD).
• Dynamic delivery via Android App Bundles (Split AABs).
• Knowledge of feature modules, conditional delivery, on-demand loading.
• Setting up base modules and feature modules using Gradle and integrating Flutter modules correctly.
• Understanding of Flutter module integration into existing native Android apps.
• Experience managing feature flags, lazy loading of sub-features, and optimizing app size using dynamic feature delivery.
• Familiarity with Windows modular packaging and Web lazy-loading strategies.

Architecture & State Management

• Applied experience with scalable architecture (Clean Architecture, MVVM).
• Expert in state management solutions
• Provider, Riverpod, BLoC (Mandatory), GetX, or Cubit.
• Dependency injection using packages like get_it and injectable.

API Integration & Data Management

• Integration with REST APIs using http, dio, and code-gen tools like json_serializable.
• Local storage management using Hive, Isar, sqflite.
• Experience with secure storage (flutter , secure ,storage) and authentication flows (OAuth, Firebase Auth).

Platform Channel & Plugin Integration

• Deep understanding of using Platform Channels to invoke native Android (Kotlin/Java) and iOS (Swift/Obj-C) code.
• Building or customizing Flutter plugins for device-level features.
• Working knowledge of native SDK integrations (e.g., barcode scanners, camera modules, third-party services).

App Lifecycle, Navigation & UI/UX

• Lifecycle management using WidgetsBindingObserver and platform-specific event handling.
• Custom navigation with Navigator 2.0, go_router, or auto_route.
• Implementing adaptive and responsive and dynamic(Json driven) UI for mobile, web, and desktop.

Testing & Performance Optimization

• Writing Unit, Widget, and Integration Tests using Flutter's testing framework.
• App profiling and memory leak detection using DevTools.
• App size optimization, lazy-loading assets/modules, and performance tuning across Devices.

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