Our agency will maintain, fix, update, and optimize your mobile app

C
coderraja

Vetted Pro

Pakistan

English, Urdu

467 orders completed

Designing UI UX, building Mobile Apps, and Websites that stand out!

Codiest – Passionate Software Development Team with 8 years of experience delivering innovative solutions across Figma Web/App UI UX Design, Android, iOS, React Native, Flutter, NextJS, ReactJS, and W...
Vetted by Fiverr Pro

Codiest was selected by the Fiverr Pro team for their expertise.

Vetted for

  • Mobile App Development

  • Mobile App Maintenance

About this Gig

Vetted Pro

Keep your mobile app running smoothly!


Do you already have a Flutter or React Native application that needs ongoing maintenance, bug fixes, feature enhancements, or performance improvements?


I'm a professional mobile app developer with years of experience building and maintaining production-ready applications. Whether your app needs small fixes or long-term maintenance, I'm here to help.


What I can do:


  • Fix bugs and crashes
  • Maintain existing Flutter / React Native applications
  • Update dependencies and packages
  • Improve app performance
  • Refactor and clean code
  • Add new features
  • API integration
  • Firebase integration
  • Push Notifications
  • Authentication systems
  • Payment gateway integration
  • UI/UX improvements
  • Database optimization
  • App Store & Google Play updates
  • Version upgrades
  • Code review
  • Security improvements
  • Third-party SDK integration


Technologies:


  • Flutter
  • Dart
  • React Native
  • JavaScript
  • TypeScript
  • Firebase
  • REST APIs
  • GraphQL
  • SQLite
  • Supabase
  • Node.js
  • Laravel APIs
  • AWS
  • Google Maps
  • Stripe
  • OneSignal
  • FCM
  • Git & GitHub


Why Choose Me?


  • Professional and clean code
  • Fast communication
  • Daily progress updates
  • On-time delivery
  • Long-term maintenance support
  • Scalable architecture
  • 100% Client Satisfaction

Platform:

Cross-platforms

App type:

Native

Frameworks:

Flutter

SwiftUI

Node.js

Purpose:

Chat

Social networking

Entertainment

Medical

Expertise:

Cross-browser/Device compatibility

Localization

Programming language:

Dart

Java

JavaScript

Kotlin

Swift

TypeScript

Tools:

Flutterflow

Expo

Android Studio

Xcode

Portfolio