TeamSync
Discord meets Zoom meets ChatGPT. For teams who ship.
Real-time chat, video calls, and an AI pair programmer—all in one place. Because your team shouldn't need 10 apps to have one conversation.
Key Metrics
The Problem
A typical remote workday: Slack dings. Switch tabs. Zoom meeting starts. Switch apps. Need to share code. Open VS Code. Back to Slack. Cognitive overhead kills deep work.
The Solution
One URL for everything. Chat in channels. Jump into video with one click. Ask the AI channel to explain that regex. Your team stays in flow because there's nowhere else to go.
Key Features
Sub-50ms Messages
WebSocket-first architecture with polling fallback. Your messages arrive before you finish typing.
One-Click Video
No "generating meeting link." Click the video icon, you're live. LiveKit handles the WebRTC magic.
AI Pair Programmer
Dedicated AI channels. Ask GPT-4 to review your PR diff or explain legacy code. In context.
Smart Permissions
Admins, Moderators, Guests. Control who can create channels, kick members, or see sensitive info.
Instant Invites
Generate a link, share it, they're in. No approval queues unless you want them.
Infinite History
Scroll up forever. Paginated loading means fast initial load, complete history when you need it.
Before & After
Technology Stack
Frontend
Backend
Database
Real-time
AI/ML
Technical Highlights
Graceful Degradation
WebSocket fails? Auto-switch to polling. Users never notice network hiccups.
Optimistic Updates
Messages appear instantly. Server confirmation happens in background.
Connection Heartbeat
Real-time indicator shows "Live" or "Reconnecting..." transparency builds trust.
Modal Architecture
14+ modals managed by a single provider. Zero modal z-index bugs.
Challenges Overcome
WebSocket reconnection storms
Exponential backoff with jitter prevents thundering herd when server restarts.
LiveKit token management
Built a secure token service that generates room-specific credentials on demand.
Lessons Learned
- Socket.io's auto-reconnect is good. Custom reconnect logic is better.
- Optimistic UI updates make apps feel 10x faster than they are.
- Users care about the "Live" indicator more than I expected. Transparency matters.
Key Features
Core Communication Features
- Real-time messaging using Socket.IO
- Voice and video calls powered by LiveKit
- Server creation and management
- Channel-based communication (text, voice, video channels)
- Direct messaging between users
- File sharing and attachments
- Message editing and deletion
- Role-based access control (Admin, Moderator, Guest)
AI Integration
- AI-powered chat assistant
- Code generation capabilities
- Smart conversation features
- Audio and image processing (coming soon)
User Experience
- Responsive design with mobile support
- Dark/light mode theming
- Infinite scroll for message history
- Real-time typing indicators
- Emoji picker integration
- Server invitation system
- Member management
- Search functionality across channels and members
Technical Stack
Frontend
- Next.js 13 with App Router
- TypeScript for type safety
- Tailwind CSS for styling
- shadcn/ui for UI components
- Zustand for state management
- React Query for server state
- Socket.IO Client for real-time features
Backend
- Next.js API Routes
- Prisma with MySQL
- Socket.IO for real-time communication
- LiveKit for voice/video calls
- Uploadthing for file uploads
- Clerk for authentication
- OpenAI API for AI features
Infrastructure
- MySQL Database
- WebSocket Server
- RESTful API
- Real-time Event System
Security Features
- Comprehensive authentication via Clerk
- Role-based access control
- Secure file uploads
- Protected API routes
- Invitation-based server access
Notable Implementation Details
- Optimistic updates for better UX
- Efficient caching strategies
- Lazy loading for performance
- WebSocket connection management
- Custom middleware for authentication
- Modular component architecture
- Type-safe database queries
- Real-time state synchronization
Development Practices
- Clean code architecture
- Component reusability
- TypeScript for type safety
- Modern React patterns
- Responsive design principles
- Performance optimization
- Error handling
- State management patterns
This project demonstrates expertise in full-stack development, real-time systems, and modern web technologies while implementing complex features in a scalable and maintainable way.