Full-Stack Developers for Cross-Platform Secure App -- 2

Senior Mobile App Developer Needed for Full-Featured Cross-Platform App (iOS & Android)

Project Description

Hello,

We are looking for an experienced mobile app development team or senior developer to build a high-quality, scalable mobile application for both iOS and Android.

This is not a simple app. The project involves multiple advanced features including secure authentication, real-time data synchronization, cloud infrastructure, and a polished user experience.

The goal is to develop a production-ready mobile application that can scale to thousands of users.

Project Overview

The app will allow users to:

• Create and manage accounts
• Securely store and manage sensitive information
• Track activities and view analytics dashboards
• Receive real-time notifications and alerts
• Sync data across devices
• Communicate with support through in-app messaging

The application must focus on security, performance, and excellent user experience.

Core Features
1. User Authentication

Email & password registration

Social login (Google / Apple)

Two-factor authentication (2FA)

Password reset flow

2. User Dashboard

Personalized dashboard with data visualization

Activity history

Dynamic data updates via API

3. Secure Data Management

Encrypted data storage

Secure API communication

User-controlled privacy settings

4. Notifications

Push notifications (Firebase / APNs)

In-app notifications

Custom notification preferences

5. Real-Time Sync

Data synchronization between devices

Background data refresh

6. In-App Messaging

Secure communication between user and support team

Message history and attachments

7. Admin Panel (Web)

User management

Activity monitoring

Basic analytics dashboard

Technical Requirements

Preferred Technologies:

Mobile

Flutter or React Native (cross-platform preferred)

Backend

Node.js / Python / Go

REST or GraphQL API

Database

PostgreSQL / MongoDB

Infrastructure

AWS / Google Cloud / Azure

Other Tools

Firebase (notifications, analytics)

Docker (optional but preferred)

Security Requirements

Secure authentication

Data encryption

API rate limiting

Proper error handling

Deliverables

The developer/team should provide:

• Fully functional iOS and Android applications
• Backend API and database architecture
• Admin dashboard
• Clean and well-documented source code
• Deployment support (App Store & Google Play)
• Basic documentation for maintenance

Required Experience

Please apply only if you have:

• Proven experience building complex mobile applications
• Portfolio of production apps on App Store or Google Play
• Strong knowledge of mobile security best practices
• Experience with cloud infrastructure and APIs

When Applying Please Include

• Portfolio of similar apps
• Tech stack you recommend for this project
• Estimated development timeline
• Your experience with scalable mobile applications

We are looking for a long-term collaboration if the project is delivered successfully.

Thank you. Show More