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Flutter Mobile Expert

FreelanceJobs
Full TimemidHybrid
CAPosted February 26, 2026

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FirebaseRESTAPI

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Job Description

We are looking for a highly experienced Flutter developer to enhance and stabilize our existing production app.

The primary objective is to integrate an AI-powered chatbot using our ready backend REST APIs, improve overall app stability, optimize performance, and prepare the app for a smooth production release on both Android and iOS.

Scope of Work:

Chatbot Integration

Build a clean, modern, production-ready chat UI inside the existing Flutter application.

Integrate AI chatbot using provided REST APIs.

Implement proper message states (loading, typing indicators, retries, error handling).

Ensure scalable and maintainable architecture.

Follow best practices for state management and clean code structure.

Stability & Performance Optimization.

Identify and fix major crashes (Firebase Crashlytics issues already logged).

Resolve ANR issues and performance bottlenecks.

Optimize app startup time.

Improve memory usage and overall responsiveness.

Ensure smooth UI performance across devices.

Production Release Support.

Generate release-ready builds for Android & iOS.

Configure proper build signing and environment setup.

Support Play Store & App Store submission.

Ensure app meets store compliance requirements.

Deliver a stable, production-grade release.

Technical Expectations

Strong experience with Flutter (production apps required)

Clean architecture (MVVM / BLoC / Provider or similar)

Experience with REST API integration

Performance optimization expertise

Crash debugging & Firebase Crashlytics experience

Knowledge of Play Store & App Store deployment process

Deliverables

Fully integrated AI chatbot inside Flutter app

Crash-free, optimized application

Improved performance metrics

Release-ready Android & iOS builds

Clean, maintainable, documented code

Contract duration of less than 1 month.

Mandatory skills:

Flutter, Android, iOS, Smartphone, Dart, Mobile App Development, Hybrid App Development, Firebase, Android App Development, iOS Development

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