Senior Mobile App Developer (iOS & Android)

Project Overview We are seeking an experienced Mobile App Developer or Development Team to build and enhance a large-scale social networking platform with monetization, influencer tools, business features, marketplace functionality, and offline support. The application will be available on both iOS and Android and will serve users, influencers, businesses, and administrators through dedicated feature sets. Required Expertise We are looking for professionals with proven experience in: Flutter or React Native development Mobile application architecture API integration Social media platforms Real-time messaging and notifications Wallet and payment integrations Marketplace development Local data caching and offline synchronization Performance optimization Mobile security best practices Key Functional Areas User Features User Registration & Authentication Profile Management Social Feed & Timeline Text, Image & Video Posts Likes, Comments & Sharing Follow/Friend System Groups & Communities Private Messaging & Chat Search Functionality Push Notifications Wallet & Earnings Dashboard Withdrawal System Premium/VIP Subscriptions Marketplace Features Content Reporting & Blocking Saved/Favorite Content Offline Viewing Support Influencer Features Creator Dashboard Audience Analytics Revenue Tracking Premium Content Management Sponsored Content Tools Enhanced Branding Features Community Management Tools Business Features Business Profiles Product & Service Listings Customer Engagement Tools Advertising Management Sales & Transaction Tracking Promotional Campaign Management Admin Features User Management Content Moderation Reports & Abuse Management Wallet Monitoring Subscription Management Advertisement Management Platform Analytics Notification Broadcasting Security & Fraud Monitoring Offline & Local Cache Support User Profile Caching Feed Caching Chat Message Caching Group Data Caching Media Thumbnail Storage Local Notification Storage Background Synchronization Smart Cache Refresh & Cleanup Reduced API Calls & Faster Performance What We Need From Applicants Please provide: Portfolio of mobile apps you have built. Links to live apps on Google Play Store and/or Apple App Store. Your preferred technology stack. Estimated development timeline. Team size (if applicable). Previous experience building social media, marketplace, or messaging applications. Preferred Candidates Candidates with experience building social networking platforms, creator economies, influencer tools, digital wallets, and scalable mobile applications will be given priority. To apply, send your portfolio, proposed approach, timeline, and cost estimate.