I will fix, improve and optimize your existing Flutter app by Usman KhalidI will fix, improve and optimize your existing Flutter app by Usman Khalid
I will fix, improve and optimize your existing Flutter appUsman Khalid
Cover image for I will fix, improve and optimize your existing Flutter app

Fix, Improve & Optimize Your Existing Flutter App

Is your Flutter app crashing, showing bugs, failing to connect to an API, or not behaving the way it should?
I’ll inspect your existing Flutter project, identify the root cause and implement the agreed fixes or improvements.
Whether it's a UI issue, Firebase problem, API failure, build error, state-management bug or performance problem, I can help get your application back on track.

What I can help fix

🐛 Flutter bugs & unexpected behavior 📱 UI and responsive layout issues 🔌 REST API integration problems 🔥 Firebase errors 🔐 Authentication issues ⚡ Performance & loading problems 🧩 Riverpod/state-management issues 🏗️ Android build & configuration issues 🍎 iOS build/configuration issues 📦 Dependency & package conflicts 💥 Crash investigation 🚀 Release & production-build issues

What you'll receive

Project Diagnosis I’ll review the relevant part of your Flutter project and identify the likely cause of the issue.
Targeted Fixes I’ll implement the agreed fixes without unnecessarily rewriting working parts of your application.
Testing I’ll test the affected functionality and verify that the implemented fix works as expected.
Clean Code Changes Changes will be kept organized and maintainable so your project remains easier to work on.
Clear Handover I’ll explain what was fixed and highlight anything that may require additional work.

My process

01 — Understand the Problem You describe the issue and share the relevant project/error details.
02 — Inspect I investigate the affected code, dependencies, API/Firebase configuration or UI.
03 — Fix I implement the agreed solution.
04 — Test I verify the affected flow and check for obvious regressions.
05 — Deliver You receive the updated project and a concise summary of the changes.

What I need from you

Flutter project/source code
Clear description of the issue
Error messages or screenshots/videos when available
Steps to reproduce the problem
API/Firebase details if relevant
Figma/design reference if the issue is UI-related
Important: Please message me before purchasing if your application has multiple unrelated issues. I'll review the scope and recommend the most suitable service or a custom project.
Have a Flutter app that's not working as expected? Let's fix it.
FAQs

Starting at$150
Duration3 days
Tags
Android
Dart
Firebase
Flutter
iOS
Flutter Developer
Mobile Developer
Service provided by
Usman Khalid Sargodha, Pakistan
I will fix, improve and optimize your existing Flutter appUsman Khalid
Starting at$150
Duration3 days
Tags
Android
Dart
Firebase
Flutter
iOS
Flutter Developer
Mobile Developer
Cover image for I will fix, improve and optimize your existing Flutter app

Fix, Improve & Optimize Your Existing Flutter App

Is your Flutter app crashing, showing bugs, failing to connect to an API, or not behaving the way it should?
I’ll inspect your existing Flutter project, identify the root cause and implement the agreed fixes or improvements.
Whether it's a UI issue, Firebase problem, API failure, build error, state-management bug or performance problem, I can help get your application back on track.

What I can help fix

🐛 Flutter bugs & unexpected behavior 📱 UI and responsive layout issues 🔌 REST API integration problems 🔥 Firebase errors 🔐 Authentication issues ⚡ Performance & loading problems 🧩 Riverpod/state-management issues 🏗️ Android build & configuration issues 🍎 iOS build/configuration issues 📦 Dependency & package conflicts 💥 Crash investigation 🚀 Release & production-build issues

What you'll receive

Project Diagnosis I’ll review the relevant part of your Flutter project and identify the likely cause of the issue.
Targeted Fixes I’ll implement the agreed fixes without unnecessarily rewriting working parts of your application.
Testing I’ll test the affected functionality and verify that the implemented fix works as expected.
Clean Code Changes Changes will be kept organized and maintainable so your project remains easier to work on.
Clear Handover I’ll explain what was fixed and highlight anything that may require additional work.

My process

01 — Understand the Problem You describe the issue and share the relevant project/error details.
02 — Inspect I investigate the affected code, dependencies, API/Firebase configuration or UI.
03 — Fix I implement the agreed solution.
04 — Test I verify the affected flow and check for obvious regressions.
05 — Deliver You receive the updated project and a concise summary of the changes.

What I need from you

Flutter project/source code
Clear description of the issue
Error messages or screenshots/videos when available
Steps to reproduce the problem
API/Firebase details if relevant
Figma/design reference if the issue is UI-related
Important: Please message me before purchasing if your application has multiple unrelated issues. I'll review the scope and recommend the most suitable service or a custom project.
Have a Flutter app that's not working as expected? Let's fix it.
FAQs

$150