I will fix issues integrate onesignal push notifications, firebase into android ios app

Parte de la información aparece en idioma inglés.

Alemania

Hablo Alemán, Inglés

Full Stack Mobile App Developer

I’m a professional Mobile App & Fintech Developer specializing in Flutter, Android/iOS, crypto wallets, exchange platforms, and Web3 dApps. I help startups and businesses turn ideas into secure, scala...
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Are your OneSignal or Firebase push notifications not delivering, delayed, or failing on Android or iOS? Broken notifications can reduce user engagement and impact your app's performance. I will diagnose the root cause and implement a reliable push notification system that works seamlessly across devices.


Services I Offer:


  • Firebase Cloud Messaging (FCM) integration
  • OneSignal setup & configuration
  • Android & iOS push notification integration
  • Flutter & React Native notification setup
  • APNs certificate & iOS configuration
  • Fix notification delivery & background issues
  • Rich notifications (images, sounds & action buttons)
  • Topic, segment & user targeted notifications
  • Scheduled & automated push campaigns
  • Backend/API triggered notifications
  • Existing notification bug fixes & optimization


️ Technologies: Flutter, Firebase, OneSignal, Android, iOS, React Native, Node.js, REST APIs.


Every solution is thoroughly tested, scalable, and built using clean, maintainable code.


Contact me before ordering to discuss your project and receive the best solution for your notification system.

Propósito:

Chat

Redes sociales

Entretenimiento

Médico

Niños

Experiencia:

Compatibilidad cruzada de navegador/dispositivo

Plataforma:

Multiplataformas

Tipo de aplicación:

Nativo

Lenguaje de programación:

C#

Dart

Java

JavaScript

Kotlin

PHP

Marcos:

Flutter

Ionic

Kivy

phonegap

nativescript

Laravel

Angular

Herramientas:

Flutterflow

Android Studio

Xcode