Matchmaking & Dating Platform

Full Stack Mobile Developer
Matchmaking & Dating Platform - Screenshot 1 showing project features
Matchmaking & Dating Platform - Screenshot 2 showing project features

About This Project

Seven (InstaDating) is an innovative matchmaking mobile application that revolutionizes online dating through time-based pools and algorithmic matching. The platform operates on a scheduled daily pool system (9:00 PM PST to 10:00 PM PST) where exactly 14 users (7 male, 7 female) join for a 3-minute matchmaking session. Users can view 7 opposite-gender profiles and set preferences by dragging profiles up or down. The app implements the 'Stable Marriage Problem' algorithm to guarantee 100% match success for all participants. Built with React Native for cross-platform mobile experience (iOS and Android), the platform features real-time Socket.io connections for live pool management, Firebase for instant messaging between matches, and intelligent bot integration to ensure pool completion. Users can experience the app through a demo mode, upload up to 5 profile pictures, report inappropriate content, and block unwanted connections.

Challenges

  • Complex Socket.io management for real-time pool synchronization across 14 concurrent users
  • Precise pool and preference timer management with 3-minute countdown constraint
  • Balancing pool composition with exactly 7 male and 7 female users
  • Implementing bot integration on timeout to maintain pool balance and user experience
  • Firebase chat thread management to prevent duplicate conversations for matched users
  • Implementing the 'Stable Marriage Problem' algorithm for optimal matching
  • Ensuring real-time preference updates during the 3-minute decision window
  • Maintaining system performance during peak pool hours (9-10 PM PST)
  • Managing user notifications before pool start (1-minute warning)

Solutions

  • Developed robust Socket.io infrastructure for real-time bidirectional communication
  • Implemented precise countdown timer system synchronized across all pool participants
  • Built intelligent pool balancing system with automated bot integration on timeout
  • Integrated 'Stable Marriage Problem' algorithm ensuring 100% match guarantee
  • Designed Firebase chat management system preventing duplicate thread creation
  • Created drag-and-drop preference ranking interface for intuitive user experience
  • Implemented push notification system for pool opening alerts (1-minute before start)
  • Built demo mode allowing users to experience features before registration
  • Developed profile management system supporting 5 picture uploads per user
  • Integrated content moderation with user reporting and blocking capabilities
  • Optimized AWS infrastructure for handling concurrent pool sessions

Results

  • Successfully launched cross-platform dating app on iOS and Android
  • Achieved 100% match guarantee through Stable Marriage Problem algorithm
  • Real-time socket connections enabled seamless 14-user pool synchronization
  • 3-minute preference window created engaging, fast-paced matching experience
  • Bot integration ensured consistent pool completion and user satisfaction
  • Firebase chat system enabled instant communication between matched pairs
  • Demo mode increased user conversion rates by allowing pre-registration experience
  • Content moderation features maintained safe and respectful community environment
  • Scheduled pool system created anticipation and increased daily engagement
  • Cross-platform React Native approach reduced development and maintenance costs

Technologies

Frontend

React Native

Backend

Node.js
Socket.io

Database

Firebase

Infrastructure

AWS
XCode
Android Studio

Tools

Socket.io
Firebase Chat
Push Notifications
Stable Marriage Algorithm
Bot Integration