I will build a real time chat or notification system with websocket


About this gig
Need live chat, notifications, or real-time updates in your app? I build WebSocket-powered systems that work at scale.
Fullstack developer with 8+ years of experience. I build real-time features for SaaS platforms, marketplaces, and mobile backends.
What I build:
- Live chat and messaging (1-on-1, group, channels)
- Real-time notifications and alerts
- Typing indicators and read receipts
- Online/offline presence tracking
- Live dashboard and feed updates
- Collaborative editing backends
- Auction and bidding systems
Tech stack:
- Node.js, NestJS, Express
- Socket.IO, native WebSocket
- Redis pub/sub for horizontal scaling
- PostgreSQL, MongoDB for message storage
- JWT auth for WebSocket connections
- React, Next.js for frontend integration
What you get:
- Production-ready WebSocket server
- Auto-reconnection and error handling
- Room and channel management
- Message persistence and history
- Client integration guide and documentation
Written communication only with detailed async updates. Message me before ordering so I can scope your project.
Get to know Nurpais O
Fullstack Web and Blockchain Developer
- FromKyrgyzstan
- Member sinceOct 2019
- Avg. response time2 hours
- Last delivery6 years
Languages
English, Russian
My Portfolio
FAQ
Can you add chat to my existing app?
Yes. I integrate WebSocket layer into any existing backend - Node.js, NestJS, Express, or standalone service.
How many users can it handle?
With Redis pub/sub and proper scaling, thousands of concurrent connections. I design for growth from the start.
Do you build the frontend too?
Yes. I can build the chat UI with React or Next.js, or provide a client SDK for your team to integrate.
Can messages be stored and searched?
Yes. Full message persistence in PostgreSQL or MongoDB with search, pagination, and history loading.
Do you support file and image sharing in chat?
Yes. File uploads with S3 or local storage, image previews, and media messages.

