I will develop modern esim app, telecom app, global data app

F
francisco420f
F
francisco420f
Francis
develop modern esim app, telecom app, global data app
Full Screen
develop modern esim app, telecom app, global data app

About this gig

High-Quality eSIM and Global Data App Development


Build a professional eSIM marketplace or telecom app with a senior developer. I create fast, secure, and easy-to-use mobile apps for global connectivity.


What I Offer

  • eSIM Setup: Automatic delivery of data profiles via QR codes or direct installation.
  • Global Data Plans: Manage data packages and regional bundles for different countries.
  • Usage Tracking: Real-time updates so users can see their data balance instantly.
  • Secure Payments: Full integration with Stripe, PayPal, or Crypto for safe top-ups.
  • User Accounts: Simple login systems and secure profile management.


Technical Skills

  • Mobile Apps: High-performance builds for both iOS and Android.
  • Backend Systems: Strong servers designed to handle many users at once without slowing down.
  • API Connections: Smooth integration with telecom providers and data aggregators.
  • Reliability: Built-in tools to prevent crashes and ensure 24/7 service.


I focus on clean, organized code that is easy to update as your business grows. My goal is to provide a stable, production-ready system that protects user data and works perfectly across all devices.


Send a message today to discuss your project.

  • App type

    • Hybrid

  • Programming language

    • Dart
    • Java
    • Kotlin
    • Objective-C
    • PHP
    • Python
    • Swift
    • TypeScript
    • React Native
    • Flutter

  • Frameworks

    • Flutter
    • Ionic
    • Laravel
    • Angular
    • SwiftUI
    • Node.js
    • React Native

  • Purpose

    • Streaming
    • Social networking

  • Tools

    • Xamarin
    • Flutterflow
    • Android Studio
    • Xcode
    • Firebase
    • Visual Studio Code
    • Supabase

  • Expertise

    • Cross browser/Device compatibility
    • Performance
    • Security
    • Design
    • Data storage
    • API integration

Get to know Francis

Francis

Flutter and React Native Expert

  • FromChile
  • Member sinceJul 2025
  • Avg. response time1 hour

  • Languages

    English, French
Hello, I'm Francis, an experienced app developer. I build mobile apps with React Native and Flutter for both Android and iOS, and also create web and native applications. My portfolio includes projects in e‑commerce, health, fitness, education, and travel. I deliver apps that are clean, fast, and easy to use. From shaping your idea to launching the final product, I’ll guide you through every step. Quality work and clear communication are my priorities. Share your project idea, and let’s bring it to life together.

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