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thezaidsheikh/README.md

👋 Hi, I'm Zaid Qureshi

🚀 Software Engineer | Distributed Systems | AI-powered Tools

I build scalable backend systems, real-time applications, and AI-driven products. With 6+ years of experience, I specialize in designing high-performance, production-grade systems using modern technologies.

🧠 What I Do

  • ⚙️ Design microservices & distributed systems using Java & Node.js
  • 🤖 Build AI-powered tools using Python (RAG, LLM integrations)
  • 🌐 Develop real-time applications with WebSockets & event-driven architectures
  • 📦 Create scalable APIs with clean architecture & system design principles

🛠️ Tech Stack

👨‍💻 Languages

JavaScript TypeScript Java Python

⚙️ Backend & Systems

Node.js Express.js Spring Boot Spring Security Fastify FastAPI GraphQL Nest Kong Postman Swagger Socket LangChain Microservices

🌐 Frontend

React React Hook Form React Query React Router React Table Redux Vite

🗄️ Databases & Infra

MongoDB MySQL Postgres Redis Supabase Apache Kafka

☁️ DevOps & Cloud

AWS AWS Lambda Google Cloud Netlify Microsoft Azure nginx PM2 Nodemon Docker Kubernetes GitHub Actions

Others

npm pnpm Yarn Homebrew JWT GitHub Git Prometheus Sentry Grafana Datadog Snyk Windsurf Cursor Replit Visual Studio Code

🚀 Featured Projects

🔹 DevSync — Real-time Collaborative Coding Platform

Java + WebSockets + Video/Chat

  • Live coding collaboration with screen sharing & chat
  • Real-time synchronization engine

🔹 AI Code Review Bot

TypeScript / JavaScript + LLMs

  • Automated GitHub PR reviewer using AI
  • Supports OpenAI, Gemini, OpenRouter
  • Webhook-based architecture

🔹 Expense Tracker (Microservices)

Java + Microservices Architecture

  • Distributed system with independent services
  • Auth, budgets, analytics, notifications
  • Scalable service-to-service communication

🔹 QA Bot (RAG System)

Python + Retrieval Augmented Generation

  • Context-aware Q&A system
  • Answers strictly from crawled sources
  • Designed for production-grade AI support

🏗️ Engineering Focus

  • System Design & Low-Level Design (LLD)
  • Scalable backend architectures
  • Clean code & maintainability
  • Performance optimization

📈 Current Focus

  • Advanced Distributed Systems Design
  • Scaling AI applications in production
  • Improving system architecture & observability

⚡ Fun Fact

I enjoy turning complex system problems into simple, scalable solutions 🚀

⭐️ If you find my work interesting, feel free to explore my repositories and connect!

🌐 Socials:

Facebook Instagram LinkedIn Medium Quora Reddit X Substack

📊 GitHub Stats:



✍️ Random Dev Quote

🔝 Top Contributed Repo

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  1. RabbitMQ-NodeJS RabbitMQ-NodeJS Public

    RabbitMq is one of the most popular message broker for communication through different services. This project has the basic functionality of using rabbitMQ and different Pub-Sub patterns.

    JavaScript

  2. Apollo-Kafka-Stream-Project Apollo-Kafka-Stream-Project Public

    JavaScript

  3. Understanding-Time-and-Space-Complexity Understanding-Time-and-Space-Complexity Public

    This repo contains the basic understanding of the time and space complexity. If you are a good developer then you should know about this concept. The repo will also teach you how to calculate both …

  4. Node-Oauth2-Express-Server Node-Oauth2-Express-Server Public

    This Project is based on scoping access token and giving access to that access token of some endpoints

    JavaScript

  5. Post-Comment-Microservices Post-Comment-Microservices Public

    JavaScript

  6. RateSphere RateSphere Public

    JavaScript