I will develop offline and online app or combined android development

A
alhabib_zunaid
A
alhabib_zunaid
Zunaid
develop offline and online app or combined android development
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develop offline and online app or combined android development
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Full Screen
develop offline and online app or combined android developmentdevelop offline and online app or combined android developmentdevelop offline and online app or combined android development

About this gig

Are you looking for a reliable Android developer to build an app that works both online and offline?


I can create professional Android applications using Java and Android Studio, with proper offline data storage and online API integration.



What I can provide:


Online & Offline Android App


REST API integration


Local data storage using SQLite / Room / SharedPreferences


Data synchronization between online and offline modes


Login & user authentication


Firebase integration when required


Clean and responsive UI


API & backend integration



I focus on building apps that are stable, user-friendly, and easy to maintain. Whether your app needs to work completely offline or switch between online and offline modes, I can develop a solution based on your requirements.



Please contact me before placing an order so we can discuss your project requirements and choose the right solution.



  • App type

    • Native

  • Purpose

    • Restaurant
    • Shopping
    • Booking
    • Finance
    • Health & Fitness
    • Education
    • Lifestyle
    • Productivity tools
    • E-commerce
    • Real estate

  • Expertise

    • Performance
    • Security
    • Ads & monetization
    • Data storage
    • Release management
    • Instant App/App Clip
    • Compatibility

  • Programming language

    • Java
    • PHP

  • Frameworks

    • Android

  • Tools

    • Android Studio
    • Firebase

Get to know Zunaid

Zunaid

Android Mobile App Developer, Java, PHP, MySQL, API Integration

  • FromBangladesh
  • Member sinceAug 2026
  • Avg. response time6 hours

  • Languages

    Bengali, English
I’m an Android Mobile App Developer specializing in Java, PHP, MySQL, and API integration. I build professional Android apps with clean UI/UX and reliable backend systems. I can handle complete app development, including REST APIs, PHP/MySQL, SQLite, Firebase, authentication, encryption, secure data handling, data synchronization, backup & restore, automation, bug fixing, and optimization. I focus on clean, maintainable code and reliable solutions. If you need a new Android app, backend/API integration, database functionality, or improvements to an existing app, I’m ready to help.

My Portfolio

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