Wyred

Full Stack Developer

Real-time chat application with WhatsApp-like functionality

2022•3 months
ReactNode.jsSocket.ioMongoDB
fullstack
W
wyred

Wyred

Real-time chat application with WhatsApp-like functionality

ReactNode.jsSocket.ioMongoDB
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Problem Solved

Delivered a self-hosted WhatsApp-style chat experience so the product team could own messaging end-to-end instead of paying per-message fees to a third-party SaaS.

Overview

  • •Designed and built chat system similar to WhatsApp
  • •Implemented Socket.io for live real-time messaging
  • •Built comprehensive API integration and socket programming

Key Skills Demonstrated

WebSocket Programming (Socket.io)Real-Time Event HandlingChat UX Patterns (typing, read receipts, history)MongoDB Schema Design for MessagesConnection Lifecycle ManagementLow-Latency Architecture

Challenges

  • •Building real-time messaging with low latency
  • •Designing WhatsApp-like user experience

Solutions

  • •Implemented Socket.io for instant message delivery
  • •Built intuitive chat UI with message history and status indicators

Key Achievements

  • Achieved sub-100ms message delivery latency on Socket.io
  • Built persistent message history with MongoDB indexes tuned for chronological reads
  • Implemented WhatsApp-style status indicators (sent/delivered/read)

Tech Stack

Frontend

React

Backend

Node.jsSocket.ioMongoDB

Deployment

Deployed with Node.js backend and MongoDB for message persistence

Third-Party Integrations

Socket.ioMongoDB